MIL-C-55074 Hermaphrocon™ Connecting System FEATURES: SPECIFICATIONS: • Designed for mobile, transportable, and semi-permanent military communications facilities (telephone, telegraph, teletype, radio, etc.) • High-reliability Hermaphrocon connectors are designed for speedy, foolproof interconnections under extreme field conditions, are impossible to mismate, even in the dark • Hermaphrocon plugs mate interchangeably with both receptacles and plugs, permitting connection of either cable end to any other cable end of distribution box • Redundant Hermaphrocon design provides 104 contacts for 52 cable conductors (52 pairs) assures circuit continuity with up to 50% contact damage (jumpers linking redundant contact pairs are welded for reliability) • Rugged, waterproof Hermaphrocon connectors resist wear and damage caused by dragging on the ground or through water, even without covers PART ELCO HERMAPHROCON™ CONNECTORS ELCO PART NUMBER 08 2260 0110 00 000 08 2263 0110 00 000 08 2260 9010 00 000 08 2264 0110 00 000 BINDING POSTS 08 2264 0120 00 000 08 2264 0130 00 000 08 2264 0121 00 000 • PLUG, ELECTRICAL U-185B/G CONNECTOR • RECEPTACLE, ELECTRICAL U-186C/G CONNECTOR • RECEPTACLE, ELECTRICAL U-187A/G CONNECTOR • CONTACT ASSEMBLY, ELECTRICAL MX-3227/G (as applicable) • HOUSINGS: Die-cast aluminum alloy with protective finish per MIL-F-14072 • GASKETS AND GLANDS: Silicone rubber • INSULATORS: Fortron-PPS-Black • INSULATION RESISTANCE: 1000 megohms, minimum • CONTACTS: Beryllium copper, gold plated • CONTACT RESISTANCE: 7 milliohms, maximum • IMMERSION: per MIL-C-55074 • MOISTURE RESISTANCE: per MIL-C-55074 • AIR LEAKAGE: per MIL-C-55074 • VIBRATION: per MIL-C-55074 • TEMPERATURE: –65°F to 150°F • OVERALL DIMENSIONS (approx.): U-185B/G 2.437" x 2.750" x 13.125" U-186C/G 3.500" x 4.000" x 6.375" U-187A/G 2.375" x 3.125" x 6.375" • MILITARY SPECIFICATION: MIL-C-55074, MIL-STD-454 MILITARY PART NUMBER U-185B/G M-55074/1-01 U-187A/G M-55074/3-01 MX-3227/G M-55074/4-01 SIG. CORPS. DWG. # SC-C-136011 SIG. CORPS. DWG. # SC-C-136001 SIG. CORPS. DWG. # SC-C-136001 SIG. CORPS. DWG. # SC-C-136001 ELCO Plug (Cable Connector) U-185B/G Receptacle Side Mount U-187A/G Contact Assembly MX-3227/G Binding Post SC-C-136011 ELCO P/N 08 2264 0130 00 000 MATERIAL: Brass, machined (terminal) Nylon (housing) DESCRIPTION HERMAPHROCON™ PLUG, cable type HERMAPHROCON™ RECEPTACLE, panel type HERMAPHROCON™ CONTACT ASSEMBLY SHORT SPRING BINDING POST ASSEMBLY with O-ring, flat washer, split washer and nut - White SHORT SPRING BINDING POST ASSEMBLY without hardware - White LONG SPRING BINDING POST with O-ring, flat washer, split washer and nut - White LONG SPRING BINDING POST without hardware - White 1 1. U-187A/G CONNECTOR 2. U-185B/G CONNECTOR 3. U/185 LOCKING CAM 4. U/187 LOCKING CAM 5. BINDING POST TERMINAL 6. PROTECTIVE COVERS 7. CABLE ASSEMBLY - NOT AVAILABLE 8. DISTRIBUTION BOX - NOT AVAILABLE 9. TELEPHONE CONNECTION - NOT AVAILABLE 10. U/185 - U/187 CONNECTION 11. DROP-LINE PANEL - NOT AVAILABLE MIL-C-55074 Hermaphrocon™ Connecting System 2 ELCO