The Connector,plug,electrical, cataloged under National Stock Number 5935-00-686-3177, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-686-3177 |
| Primary Part Number | 57903 |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | ANGLE, SHAPE, INTERNAL COUPLING |
| Terminal Type | PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Shell Surface Treatment | ANODIZE |
| 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 | 0.312 INCHES IN |
| Included Contact Type | COAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Cable Strain Relief Method | CONDUIT NUT |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UNEF |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 90.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC SINGLE MATING END |
| Shell Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 57903 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| RF01981M1 | 5/2 Secondary reference U.S. Government activity |
| 57903 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5935-00-686-3177 is a Connector,plug,electrical, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-686-3177 has 1 manufacturer part number on file: 57903 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-949-6575, 6150-01-120-1914, 6685-01-528-4330. Verify interchangeability with system specifications before substitution.
Key specifications for 57903: Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: ANGLE, SHAPE, INTERNAL COUPLING; Terminal Type: PIN SINGLE MATING END SINGLE CONTACT GROUPING. 21 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.