The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-028-3660, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-028-3660 |
| Primary Part Number | 1250-1021 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Connector Locking Method | SPRING FRICTION |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY 360 SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Shell Surface Treatment | GOLD |
| Contact Maximum Frequency Rating | 10000.0 MEGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material Document and Classification | FED L-P-403 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.105 GOLD GRAINS, TROY |
| Shell Material Document and Classification | QQ-B-626,ALLOY 360,1/2 H FED SPEC SINGLE MATERIAL RESPONSE |
| 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 | 10.000 INCHES IN |
| Included Contact Type | COAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | MOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION PROOF |
| Precious Material and Location | CONTACT AND SHELL SURFACES GOLD |
| Distance From Mounting Shoulder to Front Face | 0.426 INCHES NOMINAL IN |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Contact Material Document and Classification | QQ-B-626,ALLOY 360,1/2 H FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Quantity Per Inch | 32 |
| Contact Surface Treatment | GOLD AND COPPER SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | MOUNTING BUSHING |
| 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 |
|---|---|
| 1250-1021 | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 32JR109-2 | 5/9 Secondary reference Specialty Connector Co Inc |
| 51-043-4610 | 3/2 Design control — primary reference U.S. Government activity |
| 5156-5011-09 | 5/9 Secondary reference M/a-Com Omni Spectra Inc Cablewave Miniature Products |
| 1250-1021 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 1250-1021 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 701897 | 5/9 Secondary reference Rfs Technologies, Inc. |
| 701897 | 5/9 Secondary reference U.S. Government activity |
NSN 5935-01-028-3660 is a Connector,receptacle,electrical, manufactured by Keysight Technologies Inc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-028-3660 has 1 manufacturer part number on file: 1250-1021 (Keysight Technologies Inc).
Key specifications for 1250-1021: Connector Locking Method: SPRING FRICTION; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, EXTERNAL 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.