The Contact,electrical, cataloged under National Stock Number 5999-00-686-3979, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5999-00-686-3979 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Mounting Method | THREADED HOLE(S) |
| Style Designator | CYLINDRICAL SHAPE |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.086 INCHES IN |
| Precious Material and Location | BODY SILVER |
| Thread Class | 2B |
| Material | SILVER COIN BODY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Weight | 0.0050 lbs |
| Cube | 0.0018 cu ft |
| Reference | Meaning |
|---|---|
| 543-9959-002 | 3/2 Design control — primary reference U.S. Government activity |
| 543-9959-002 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5999-00-686-3979 is a Contact,electrical, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-00-686-3979: Mounting Facility Quantity: 1; Overall Diameter: 0.250 INCHES NOMINAL IN; Precious Material: SILVER; Mounting Method: THREADED HOLE(S). 12 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.