The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-459-4140, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Unison Industries Llc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-459-4140 |
| Primary Part Number | 43958A |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING W/BACKSHELL |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | NICKEL ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND W/FLAT |
| Overall Diameter | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Insert Position in Deg | 302.0 |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 1 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Included Contact Type | COAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Environmental Protection | MOISTURE PROOF AND SALT WATER RESISTANT |
| Distance From Mounting Shoulder to Front Face | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Threaded Device Type | COUPLING FACILITY AND MOUNTING BUSHING |
| Thread Series Designator | UNEF |
| Shell Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 43958A | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 253541-9 | 3/2 Design control — primary reference U.S. Government activity |
| 43958A | 5/9 Secondary reference U.S. Government activity |
NSN 5935-00-459-4140 is a Connector,receptacle,electrical, manufactured by Unison Industries Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-459-4140 has 1 manufacturer part number on file: 43958A (Unison Industries Llc).
Key specifications for 43958A: Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING W/BACKSHELL; Terminal Type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. 24 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.