The Contact,electrical, cataloged under National Stock Number 5999-01-040-8171, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-040-8171 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Pin Accommodation Length | 0.255 INCHES NOMINAL IN |
| Overall Diameter | 0.061 INCHES NOMINAL IN |
| Mounting Method | SPRING TENSION |
| Style Designator | SOCKET CRIMP CONTACT |
| Surface Treatment | TIN BODY |
| Surface Treatment | TIN CONTACT |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 1 CRIMP END OPPOSITE CONTACT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JZ |
| Reference | Meaning |
|---|---|
| 131-0639-00 | 3/2 Design control — primary reference U.S. Government activity |
| 44642 | 5/9 Secondary reference Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc |
NSN 5999-01-040-8171 is a Contact,electrical, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-412-6027, 4810-01-470-1422. Verify interchangeability with system specifications before substitution.
Key specifications for 5999-01-040-8171: Pin Accommodation Length: 0.255 INCHES NOMINAL IN; Overall Diameter: 0.061 INCHES NOMINAL IN; Mounting Method: SPRING TENSION; Style Designator: SOCKET CRIMP CONTACT. 9 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.