The Contact,electrical, cataloged under National Stock Number 5999-01-357-7129, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-357-7129 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-14550,CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-S-571 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT |
| Overall Diameter | 0.053 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Style Designator | CYLINDRICAL SHAPE |
| Material Document and Classification | QQ-B-626,COMPOSITION 22,TEMPER QUARTER HARD FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT |
| Surface Treatment | COPPER AND SOLDER BODY AND CONTACT |
| Material | COPPER ALLOY BODY AND 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 | Y |
| Reference | Meaning |
|---|---|
| 5820545P3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-357-7129 is a Contact,electrical, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-357-7129: Surface Treatment Document and Classification: MIL-C-14550,CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-S-571 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT; Overall Diameter: 0.053 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN; Mounting Method: TERMINAL; Style Designator: CYLINDRICAL SHAPE. 8 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.