Circular Connectors
Known for their durability and ease of use, Cinch’s circular connectors are designed to provide secure and reliable connections, even in harsh environments. These connectors are available in several configurations, ensuring the optimal fit for your most demanding of applications.
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27 Products
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| Product | Drawing | 3D Model | Application | QPL | Connector Type | Coupling Style | Series Type | Contact Termination | Vibration Lock | Insert Material |
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MIL Spec Qualified | No | Plug, Receptacle | Dual-start Thread | MD801 Series | Crimp, PC Tail, Solder Cup | Vibration Resistant | Glass-filled epoxy | ||
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Harsh Environment | No | Plug, Receptacle | Threaded | DMS-TP Series | Crimp | Standard | Nylatron | ||
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Harsh Environment | No | Plug, Receptacle | Threaded | C-RJFTV Series | RJ45 Cable | Standard | N/A | ||
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Boeing Qualified | No | Receptacle | Threaded | BACC Series | Crimp | Standard | Glass-filled epoxy | ||
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Boeing Qualified | No | Receptacle | Bayonet | BACC Series | Crimp | Standard | Glass-filled epoxy | ||
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Boeing Qualified | No | Plug | Threaded | BACC Series | Crimp | Standard | Glass-filled epoxy | ||
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Boeing Qualified | No | Plug | Bayonet | BACC Series | Crimp | Standard | Glass-filled epoxy | ||
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Boeing Qualified | No | Plug | Bayonet | BACC Series | Crimp | Vibration Proof | Glass-filled epoxy | ||
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Boeing Qualified | No | Plug | Threaded | BACC Series | Crimp | Self-Locking | Glass-filled epoxy | ||
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Boeing Qualified | No | Receptacle | Threaded | BACC Series | Crimp | Vibration Resistant | Glass-filled epoxy | ||
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Boeing Qualified | No | Plug | Bayonet | BACC Series | Crimp | Vibration Proof | Glass-filled epoxy | ||
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Boeing Qualified | No | Receptacle | Bayonet | BACC Series | Crimp | Vibration Resistant | Glass-filled epoxy | ||
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Commercial | No | Plug | Bayonet | CN Series | Crimp | Vibration Proof | Glass-filled epoxy | ||
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Commercial | No | Plug, Receptacle | Bayonet, Threaded | C48 Series | Crimp | Standard | Glass-filled epoxy | ||
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Commercial | No | Receptacle | Bayonet, Threaded | CN Series | Crimp | Standard | Glass-filled epoxy | ||
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Commercial | No | Receptacle | Bayonet | CN Series | Fixed | Standard | Fluorosilicone | ||
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Commercial | No | Receptacle | Bayonet | CN Series | Fixed | Standard | Neoprene | ||
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Commercial | No | Plug | Threaded | CN Series | Crimp | Self-Locking | Glass-filled epoxy | ||
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Commercial | No | Receptacle | Threaded | CN Series | Crimp | Vibration Resistant | Glass-filled epoxy | ||
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Commercial | No | Plug | Bayonet | CN Series | Crimp | Vibration Proof | Glass-filled epoxy | ||
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Commercial | No | Receptacle | Bayonet | CN Series | Crimp | Vibration Resistant | Glass-filled epoxy | ||
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MIL Spec Qualified | Yes | Plug, Receptacle | Bayonet, Threaded | C48 Series | Crimp | Standard | Glass-filled epoxy | ||
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Commercial | No | Plug, Receptacle | Bayonet | PW Series | PC Tail, Solder Cup | Standard | Glass-filled epoxy | ||
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MIL Spec Qualified | Yes | Plug, Receptacle | Bayonet | PW Series | PC Tail, Solder Cup | Standard | Glass-filled epoxy | ||
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MIL Spec Qualified | No | Plug, Receptacle | Dual-start Thread | PWC Series | PC Tail, Solder Cup | Standard | Glass-filled epoxy |
Miniature circular connector equivalent to MIL-DTL-38999 Series III, designed for space and weight-constrained aerospace and military applications. Dual-start ACME thread coupling prevents cross-mating and provides fast engagement. Available with crimp, solder cup or PC tail contacts. Shell sizes 5–13, supporting up to 37 contacts. IP67 sealed, EMI shielding to 55 dB. Operating range −65°C to +175°C, 2000 mating cycles.
Purpose-built circular connector for Oil and Gas subsea and downhole harsh environment applications. Features a dual O-ring dry-mate sealing interface rated to 72 PSI unmated and 435 PSI mated. Scoop-proof design enables blind mating in restricted access installations. Crimp contacts, nickel-plated brass shells, Nylatron (PA66 + MoS2) insert. Shell sizes 10 and 14, AWG 12–20 wire range. Resistant to oil, gas, sand, mud, hydrocarbons and salt environments. Operating range −20°C to +85°C, 500 mating cycles.
Rugged circular connector integrating a standard RJ45 (8P8C) interface within a MIL-DTL-38999 Series III shell for Ethernet connectivity in harsh military and aerospace environments. Supports 10/100/1G Base-T with EMI-shielded pre-terminated cable cordset. Smallest available shell size 17 for 1G Base-T on the market. Four keyway polarization options. Shell sizes 17 and 19, IP68 rated. Available in aluminum (nickel or olive drab), stainless steel and marine bronze finishes. 500 mating cycles.
Square flange mount receptacle for MIL-C-26500 / BACC45 qualified circular connector systems. Threaded coupling, crimp front-release contacts in sizes 20, 16 and 12. Designed to mate with BACC45FS1 threaded plugs. Standard 20 g sinusoidal vibration resistance. Available in anodized, electroless nickel and cadmium/nickel shell finishes. Operating range −55°C to +200°C.
Square flange mount receptacle for MIL-C-26500 / BACC45 qualified circular connector systems. Bayonet coupling for faster mate/unmate cycles, crimp front-release contacts in sizes 20, 16 and 12. Designed to mate with BACC45FT1 bayonet plugs. Standard 20 g sinusoidal vibration resistance. Available in anodized, electroless nickel and cadmium/nickel shell finishes. Operating range −55°C to +200°C.
Straight plug for MIL-C-26500 / BACC45 qualified circular connector systems. Threaded coupling, crimp front-release contacts in sizes 20, 16 and 12. Mates with BACC45FM1 and BACC45FN1 receptacles. Standard 20 g sinusoidal vibration resistance. Available in anodized, electroless nickel and cadmium/nickel shell finishes. Operating range −55°C to +200°C.
Straight plug for MIL-C-26500 / BACC45 qualified circular connector systems. Bayonet coupling for faster mate/unmate cycles, crimp front-release contacts in sizes 20, 16 and 12. Mates with BACC45FM1 and BACC45FN1 receptacles. Standard 20 g sinusoidal vibration resistance. Available in anodized, electroless nickel and cadmium/nickel shell finishes. Operating range −55°C to +200°C.
Legacy MMB bayonet self-locking plug for MIL-C-26500 / BACC63 high-performance circular connector systems. Vibration-proof coupling rated 39.6 g RMS / 48 h random vibration with 50 g peak. Crimp front-release contacts, shell sizes 8–24. Mates with CN1021 and compatible BACC63 receptacles. Available in anodized, cadmium/nickel and plain nickel finishes. Operating range −55°C to +200°C.
Self-locking threaded plug for MIL-C-26500 / BACC63 high-performance circular connector systems. 360° locking teeth prevent back-off under 39.6 g RMS / 48 h random vibration. Only BACC63 plug offering a grounding variant (Series B). Crimp front-release contacts, shell sizes 8–28. Mates with BACC63BV1 (CN0967) receptacles. Available in anodized, cadmium/nickel, electroless nickel and stainless steel finishes. Operating range −55°C to +200°C.
Vibration-resistant threaded receptacle for MIL-C-26500 / BACC63 high-performance circular connector systems. Rated 39.6 g RMS / 48 h random vibration with 50 g peak. Unique flame-resistant stainless steel shell option (Class K). Square flange mount with optional clinch nuts for thin panels. Crimp front-release contacts, shell sizes 8–28. Mates with BACC63BP1 (CN0966) self-locking plugs. Operating range −55°C to +200°C.
Vibration-proof bayonet self-locking plug for MIL-C-26500 / BACC63 high-performance circular connector systems. Bayonet coupling provides faster mate/unmate than threaded BACC63BP equivalent. Rated 39.6 g RMS / 48 h random vibration with 50 g peak. Crimp front-release contacts, shell sizes 8–28. Mates with BACC63CC1 (CN1021) receptacles. Available in anodized and cadmium/nickel finishes. Operating range −55°C to +200°C.
Vibration-resistant bayonet receptacle for MIL-C-26500 / BACC63 high-performance circular connector systems. Square flange mount with optional clinch nuts for thin panel installations. Rated 39.6 g RMS / 48 h random vibration with 50 g peak. Crimp front-release contacts, shell sizes 8–28. Mates with BACC63CB1 (CN1020) vibration-proof plugs. Available in anodized and cadmium/nickel finishes. Operating range −55°C to +200°C.
Legacy MMB (Modified Miniature Bayonet) vibration-proof plug connector qualified to MIL-C-26500 / BACC63BN1. Self-locking bayonet coupling rated 39.6 g RMS / 48 h random vibration with 50 g peak. Crimp front-release contacts, shell sizes 8–24. Compatible with CN1021 and BACC63 receptacles. Available in anodized, cadmium/nickel and plain nickel finishes. Operating range −55°C to +200°C.
Full-range circular connector family qualified to MIL-C-26500 covering both plugs and receptacles. Bayonet and threaded coupling options across shell sizes 8–24. Crimp front-release contacts in sizes 20, 16 and 12, including coaxial size 12 and 8. Broadest insert arrangement count (30+) and widest accessory ecosystem in the Omega family. Glass-filled epoxy insert with silicone or fluorosilicone sealing options. Available in anodized, electroless nickel, cadmium/nickel and stainless steel finishes. Operating range −55°C to +200°C.
Square flange mount receptacle designed for installations where rear body depth is restricted. Functionally equivalent to the standard C48 family (MIL-C-26500) with a reduced rear body profile to accommodate tight wiring harness routing. CRIM-LOK crimp front-release contacts, shell sizes 8–24, bayonet and threaded coupling. Available in anodized, electroless nickel and stainless steel finishes. Operating range −55°C to +200°C.
Short fixed-contact receptacle for PCB, flex circuit and direct wire soldering applications. Bayonet coupling, shell sizes 8–24. Non-removable contacts available in solder pin, solder cup and wire wrap terminations. Fluorosilicone insert provides superior resistance to fuels, hydraulic fluids and aerospace chemicals versus standard silicone. Square flange and single-hole mounting. Available in cadmium/nickel, anodized and electroless nickel finishes. Qualified to MIL-C-26500. Operating range −55°C to +200°C.
Short fixed-contact receptacle for PCB, flex circuit and direct wire soldering applications. Bayonet coupling, shell sizes 8–24. Non-removable contacts available in solder pin, solder cup and wire wrap terminations. Neoprene insert provides general-purpose environmental sealing for standard harsh environment applications. Square flange and single-hole mounting. Available in cadmium/nickel, anodized and electroless nickel finishes. Qualified to MIL-C-26500. Operating range −55°C to +200°C.
Self-locking threaded plug connector qualified to MIL-C-26500 / BACC63BP1. Features 360° locking teeth that prevent coupling back-off under 39.6 g RMS / 48 h random vibration and 50 g peak shock. Only BACC63 series plug offering an optional grounding variant (Series B). Crimp front-release contacts, shell sizes 8–28. Mates with CN0967 receptacles. Available in anodized, cadmium/nickel, electroless nickel and stainless steel finishes. Operating range −55°C to +200°C.
Vibration-resistant threaded receptacle qualified to MIL-C-26500 / BACC63BV1. Rated 39.6 g RMS / 48 h random vibration with 50 g peak. The only Omega series receptacle available with a flame-resistant stainless steel shell option (Class K). Square flange mount with optional clinch nuts for thin panel installations. Crimp front-release contacts, shell sizes 8–28. Mates with CN0966 self-locking plugs. Operating range −55°C to +200°C.
Vibration-proof bayonet plug connector qualified to MIL-C-26500 / BACC63CB1. Self-locking bayonet coupling provides faster mate/unmate than equivalent threaded BACC63 series while maintaining the same 39.6 g RMS / 48 h random vibration and 50 g peak shock rating. Crimp front-release contacts, shell sizes 8–28. Mates with CN1021 receptacles. Available in anodized and cadmium/nickel finishes. Operating range −55°C to +200°C.
Vibration-resistant bayonet receptacle qualified to MIL-C-26500 / BACC63CC1. Square flange mount with optional clinch nuts for thin panel installations. Rated 39.6 g RMS / 48 h random vibration with 50 g peak. Crimp front-release contacts, shell sizes 8–28. Mates with CN1020 vibration-proof bayonet plugs. Available in anodized and cadmium/nickel finishes. Operating range −55°C to +200°C.
Comprehensive circular connector family qualified to MIL-C-26500, covering the full range of standard and high-performance variants for military and aerospace applications. Includes standard C48 crimp plug and receptacle configurations as well as Boeing BACC45 (general purpose) and BACC63 (high-performance vibration-resistant / vibration-proof) qualified sub-series. Shell sizes 8–24, crimp front-release contacts in sizes 20, 16 and 12. Bayonet and threaded coupling. Operating range −55°C to +200°C.
Commercial solder connector offering the same form factor as the QPL MS3110–MS3116 MIL-C-26482 Series I family without the military spare parts kit requirement. Solder cup and PC tail contact terminations in sizes 20, 16 and 12 (AWG 12–24). Bayonet coupling standard, threaded option available. Shell sizes 8–24 across wall mount, box mount, in-line, jam nut, straight plug, flange plug and thru-bulkhead styles. Broadest service class range including gland seal (Class W). Glass-filled epoxy insert.
QPL-qualified solder connector family meeting MIL-C-26482 Series I (MS3110–MS3116, MS3119). Solder cup and PC tail contact terminations in sizes 20, 16 and 12 (AWG 12–24). Bayonet coupling standard, threaded option available. Shell sizes 8–24 across the widest range of shell styles in the MIL-C-26482 family including thru-bulkhead (MS3119) and gland seal (Class W). Shipped with spare contacts and sealing plugs per MS ordering requirements. Glass-filled epoxy insert. Operating range −55°C to +125°C.
QPL-qualified circular connector family meeting MIL-C-26482 Series I featuring a dual-start threaded quick-disconnect coupling that provides approximately three times the circuit density of standard MIL-C-26482 connectors of the same shell size. Solder cup and PC tail contacts in sizes 20, 16 and 12 (AWG 12–24). Single keyway polarization. Shell sizes 8–22, supporting up to 55 contacts. Available in aluminum and stainless steel shells. Glass-filled epoxy insert. Operating range −55°C to +125°C.
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