The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-423-4523, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hoffman Engineering, Llc Dba Hoffman Engineering Llc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-423-4523 |
| Primary Part Number | C-66-11 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Hoffman Engineering, Llc Dba Hoffman Engineering Llc |
| Status | ACTIVE |
| Connector Locking Method | SNAP LOCK |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Terminal Type | PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Shell Surface Treatment | GOLD AND COPPER ALLOY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 1 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Mounting Facility Thickness | 0.228 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Mounting Shoulder to Front Face | 0.273 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Contact Surface Treatment | GOLD AND COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | MOUNTING BUSHING |
| Thread Series Designator | UNF |
| Insert Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE SINGLE MATING END |
| Shell Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5935-01-423-4523 is a Connector,receptacle,electrical, manufactured by Hoffman Engineering, Llc Dba Hoffman Engineering Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-423-4523 has 2 manufacturer part numbers on file: 185765-2 (Raytheon Company), C-66-11 (Hoffman Engineering, Llc Dba Hoffman Engineering Llc).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-491-7580. Verify interchangeability with system specifications before substitution.
Key specifications for C-66-11: Connector Locking Method: SNAP LOCK; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Terminal Type: PIN SINGLE MATING END SINGLE CONTACT GROUPING. 22 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.