The Contact,electrical, cataloged under National Stock Number 5999-00-239-2181, 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. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Contact,electrical |
| FSC / FSG | 5999 — Miscellaneous Electrical and Electronic Components (FSG 59) |
| Manufacturers | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (CAGE 26916); Te Connectivity Corporation (CAGE 00779) |
| Parameter | Value |
|---|---|
| NSN | 5999-00-239-2181 |
| Primary Part Number | 1-331677-4 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 018-001738 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| 018-001738-034 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| 1-331677-4 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 136-0333-00 | 5/2 Secondary reference U.S. Government activity |
NSN 5999-00-239-2181 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-239-2181 has 3 manufacturer part numbers on file: 018-001738 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 018-001738-034 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 1-331677-4 (Te Connectivity Corporation).
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.