The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-021-6974, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5935-00-021-6974 |
| Primary Part Number | 559998-280 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Connector Locking Method | BAYONET PIN |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND W/FLAT |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD AND SILVER |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Shell Surface Treatment | SILVER |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY AND 0.100 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 | 0.500 INCHES IN |
| Included Contact Type | COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | HEAT RESISTANT |
| Precious Material and Location | CONTACT SURFACE GOLD AND SHELL SURFACE SILVER |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | MOUNTING BUSHING |
| Thread Series Designator | UNEF |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 50.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC POLYSTYRENE 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 |
| Part Number | Manufacturer |
|---|---|
| 559998-280 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| Reference | Meaning |
|---|---|
| 75B3000S | 5/2 Secondary reference U.S. Government activity |
| BNCRB19F0 | 5/9 Secondary reference Itt Cannon Llc |
NSN 5935-00-021-6974 is a Connector,receptacle,electrical, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-021-6974 has 1 manufacturer part number on file: 559998-280 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
Key specifications for 559998-280: Connector Locking Method: BAYONET PIN; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING; Terminal Type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. 28 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.