The Contact,electrical, cataloged under National Stock Number 5999-01-040-3891, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-040-3891 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-R-46085,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT |
| Precious Material | RHODIUM |
| Mounting Method | TERMINAL |
| Style Designator | LEAF TAP CONTACT W/O POINT |
| Precious Material and Weight | 0.005 RHODIUM GRAINS, TROY |
| Material Document and Classification | QQ-C-533,ALLOY 172,TEMPER A FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT |
| Surface Treatment | RHODIUM BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES RHODIUM |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 EYELET 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 | YN |
| Weight | 0.0100 lbs |
| Cube | 0.0035 cu ft |
| Reference | Meaning |
|---|---|
| SM-C-774490-1 | 3/2 Design control — primary reference U.S. Government activity |
| SM-C-774490 | 5/2 Secondary reference U.S. Government activity |
NSN 5999-01-040-3891 is a Contact,electrical, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-040-3891: Overall Height: 0.634 INCHES MINIMUM AND 0.664 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-R-46085,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT; Precious Material: RHODIUM; Mounting Method: TERMINAL. 10 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.