The Contact,electrical, cataloged under National Stock Number 5999-01-045-8474, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-01-045-8474 |
| Primary Part Number | 405168-4 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290 FED SPEC 1ST TREATMENT RESPONSE AND MIL-G-45204 MIL SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT |
| Precious Material | GOLD |
| Mounting Method | FORCE FIT |
| Criticality Code Justification | FEAT |
| Style Designator | POST CONTACT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Material Document and Classification | QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT |
| Surface Treatment | GOLD AND NICKEL BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES GOLD |
| Pin Width | 0.025 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 PIN END OPPOSITE CONTACT |
| Pin Length | 0.318 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Weight | 0.0020 lbs |
| Cube | 0.0002 cu ft |
| Part Number | Manufacturer |
|---|---|
| 1251-6544 | Keysight Technologies Inc (USA) |
| 405168-4 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 405168-4 | 5/9 Secondary reference Raytheon Company Div Corp |
| 1251-6544 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 86090-2 | 5/9 Secondary reference Te Connectivity Corporation |
| 1251-6544 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5999-01-045-8474 is a Contact,electrical, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-045-8474 has 2 manufacturer part numbers on file: 1251-6544 (Keysight Technologies Inc), 405168-4 (Raytheon Company Dba Raytheon Co).
Key specifications for 405168-4: Overall Height: 0.025 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-N-290 FED SPEC 1ST TREATMENT RESPONSE AND MIL-G-45204 MIL SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT; Precious Material: GOLD; Mounting Method: FORCE FIT. 13 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.