The Contact,electrical, cataloged under National Stock Number 5999-00-441-7982, 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 Te Connectivity Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5999-00-441-7982 |
| Primary Part Number | 66143-3 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Precious Material | GOLD |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Surface Treatment | GOLD AND NICKEL CONTACT |
| Surface Treatment | GOLD AND NICKEL BODY |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 1 CRIMP AXIALLY AT ONE END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 66143-3 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 131-0374-00 | 5/9 Secondary reference U.S. Government activity |
NSN 5999-00-441-7982 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-441-7982 has 1 manufacturer part number on file: 66143-3 (Te Connectivity Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-012-1853, 6515-01-289-1994. Verify interchangeability with system specifications before substitution.
Key specifications for 66143-3: Precious Material: GOLD; Precious Material and Weight: 0.005 GOLD GRAINS, TROY; Surface Treatment: GOLD AND NICKEL CONTACT; Surface Treatment: GOLD AND NICKEL BODY. 7 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.