The Contact,electrical, cataloged under National Stock Number 5999-01-339-1071, 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 The Boeing Company Div Defense. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-339-1071 |
| Primary Part Number | 5M2251-002P |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-G-45204,TYPE II,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE BODY AND CONTACT |
| Overall Diameter | 0.273 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Mounting Method | FORCE FIT |
| Style Designator | PIN CENTER CONTACT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Surface Treatment | GOLD AND NICKEL BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES GOLD |
| Material | PLASTIC CONTACT INSULATION |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 CRIMP AND SOLDER END OPPOSITE CONTACT |
| 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 | HN |
| Weight | 0.1400 lbs |
| Cube | 0.0035 cu ft |
| Part Number | Manufacturer |
|---|---|
| 5M2251-002P PRIMARY | The Boeing Company Div Defense (USA) |
| 21-033198-004 | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 21-33198-4 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10139696 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5999-01-339-1071 is a Contact,electrical, manufactured by The Boeing Company Div Defense, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-339-1071 has 2 manufacturer part numbers on file: 5M2251-002P (The Boeing Company Div Defense), 21-033198-004 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 5M2251-002P: Surface Treatment Document and Classification: MIL-G-45204,TYPE II,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE BODY AND CONTACT; Overall Diameter: 0.273 INCHES NOMINAL IN; Precious Material: GOLD; Mounting Method: FORCE FIT. 11 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.