The Contact,electrical, cataloged under National Stock Number 5999-01-042-2501, 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 Unison Industries Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5999-01-042-2501 |
| Primary Part Number | W-190082 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Mounting Method | UNTHREADED HOLE(S) |
| Style Designator | LEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT |
| 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 | ZN |
| Weight | 0.0200 lbs |
| Cube | 0.0013 cu ft |
| Part Number | Manufacturer |
|---|---|
| W-190082 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| A1982 | C/1 Advisory reference — outside the item-of-supply concept Unison Industries Llc |
| A1982 | 5/9 Secondary reference U.S. Government activity |
NSN 5999-01-042-2501 is a Contact,electrical, manufactured by Unison Industries Llc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-042-2501 has 1 manufacturer part number on file: W-190082 (Unison Industries Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4910-01-083-8886, 8455-01-664-2433. Verify interchangeability with system specifications before substitution.
Key specifications for W-190082: Mounting Facility Quantity: 1; Mounting Method: UNTHREADED HOLE(S); Style Designator: LEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT. 3 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.