The Contact,electrical, cataloged under National Stock Number 5999-00-433-9018, 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 Dba Tyco Electronics Corporation Div Deutsch Products. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5999-00-433-9018 |
| Primary Part Number | 81551C12 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Te Connectivity Corporation Dba Tyco Electronics Corporation Div Deutsch Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-G-45204,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Overall Diameter | 0.153 INCHES NOMINAL IN |
| Mounting Method | PIN(S) |
| Style Designator | SOCKET CONTACT |
| Surface Treatment | GOLD BODY |
| Material | COPPER ALLOY CONTACT |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| GC835GP1P | Northrop Grumman Systems Corporation (USA) |
| PMCX81511-1C12 | Precision Technology and Manufacturing Inc (USA) |
| 81551C12 PRIMARY | Te Connectivity Corporation Dba Tyco Electronics Corporation Div Deutsch Products (USA) |
| Reference | Meaning |
|---|---|
| 1C5693-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5999-00-433-9018 is a Contact,electrical, manufactured by Te Connectivity Corporation Dba Tyco Electronics Corporation Div Deutsch Products, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-433-9018 has 3 manufacturer part numbers on file: GC835GP1P (Northrop Grumman Systems Corporation), PMCX81511-1C12 (Precision Technology and Manufacturing Inc), 81551C12 (Te Connectivity Corporation Dba Tyco Electronics Corporation Div Deutsch Products).
1 possible match (shared part number, not a government interchangeability claim): 5999-00-557-1998. Verify interchangeability with system specifications before substitution.
Key specifications for 81551C12: Surface Treatment Document and Classification: MIL-G-45204,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Overall Diameter: 0.153 INCHES NOMINAL IN; Mounting Method: PIN(S); Style Designator: SOCKET CONTACT. 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.