The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-151-1266, 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 27 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-151-1266 |
| Primary Part Number | 1251-3115 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 3.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Body Style | STRAIGHT EDGE TYPE W/MOUNTING FLANGE |
| Terminal Type | WIRE WRAP SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Board Accommodated Width | 0.054 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 2 ROWS OF INDEPENDENT CONTACTS INSERTED BOARD SINGLE MATING END |
| Board Accommodated Length | 3.785 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Insert Material Document and Classification | MIL-M-14 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.056 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Mounting Facility Centers | 4.045 INCHES NOMINAL IN |
| Included Contact Quantity | 56 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Included Contact Type | BIFURCATED SPRING SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment Document and Classification | MIL-G-45204 TY 2 MIL SPEC 1ST TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Contact Surface Treatment | GOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | MOUNTING HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Contact Maximum DC Voltage Rating in Volts | 800.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC DIALLYL PHTHALATE SINGLE MATING END |
| 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 |
|---|---|
| 1251-3115 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 1251-3115 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| HCPH8150-56T | 5/9 Secondary reference Interconnection Products Inc |
| 1251-3115 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 3PN28/9CND3 | 5/9 Secondary reference Cooper Interconnect, Inc. |
| 3PN28/9CND3 | 5/2 Secondary reference U.S. Government activity |
NSN 5935-01-151-1266 is a Connector,receptacle,electrical, manufactured by Keysight Technologies Inc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-151-1266 has 1 manufacturer part number on file: 1251-3115 (Keysight Technologies Inc).
Key specifications for 1251-3115: Overall Height: 1.180 INCHES NOMINAL IN; Contact Maximum Current Rating in Amps: 3.0 SINGLE MATING END SINGLE CONTACT GROUPING; Body Style: STRAIGHT EDGE TYPE W/MOUNTING FLANGE; Terminal Type: WIRE WRAP SINGLE MATING END SINGLE CONTACT GROUPING. 27 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.