The Contact Assembly,electrical, cataloged under National Stock Number 5999-01-142-7805, 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 Lockheed Martin Librascope Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-142-7805 |
| Primary Part Number | T540016107 |
| Item Name | Contact Assembly,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Precious Material | GOLD |
| Contact Quantity | 7 |
| 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 | JN |
| Part Number | Manufacturer |
|---|---|
| T540016107 | Lockheed Martin Librascope Corporation (USA) |
| B4021591-7 | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| Reference | Meaning |
|---|---|
| 65500-107 | 3/9 Design control — primary reference Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc |
| 1251-4170 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 5924700-7 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5999-01-142-7805 is a Contact Assembly,electrical, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-142-7805 has 2 manufacturer part numbers on file: T540016107 (Lockheed Martin Librascope Corporation), B4021591-7 (Department of the Army Hq United States Army Communications Research and Development Command).
Key specifications for T540016107: Precious Material: GOLD; Contact Quantity: 7. 2 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.