The Connector,plug,electrical, cataloged under National Stock Number 5935-00-177-6323, 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. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-177-6323 |
| Primary Part Number | 4401B0421 |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Connector Locking Method | INTERNALLY THREADED COUPLING NUT |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Precious Material | SILVER |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Shell Surface Treatment | ANODIZE |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| 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 | 0.625 INCHES IN |
| Included Contact Type | COAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Cable Strain Relief Method | COMPRESSION NUT |
| Environmental Protection | WEATHERPROOF |
| Precious Material and Location | CONTACT SURFACE SILVER |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Cable Entrance Diameter | 0.188 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 24 |
| Contact Surface Treatment | SILVER SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UNEF |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 50.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC DIALLYL PHTHALATE 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 |
|---|---|
| 4401B0421 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5935-00-177-6323 is a Connector,plug,electrical, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-177-6323 has 1 manufacturer part number on file: 4401B0421 (Northrop Grumman Systems Corporation).
Key specifications for 4401B0421: Connector Locking Method: INTERNALLY THREADED COUPLING NUT; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Terminal Type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. 29 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.