The Contact,electrical, cataloged under National Stock Number 5999-01-125-0643, 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 Oxley Developments Co Ltd. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5999-01-125-0643 |
| Primary Part Number | 050/LT/B2 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Oxley Developments Co Ltd |
| Status | ACTIVE |
| Pin Diameter | 0.039 INCHES NOMINAL IN |
| Mounting Facility Quantity | 1 |
| Surface Treatment Document and Classification | MIL-P-45209 MIL SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT |
| Overall Diameter | 0.094 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.049 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL SHAPE |
| Surface Treatment | PALLADIUM BODY AND CONTACT |
| Material | COPPER ALLOY BODY AND CONTACT |
| Pin Length | 0.218 INCHES NOMINAL IN |
| 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 | ZN |
| Weight | 0.0050 lbs |
| Cube | 0.0020 cu ft |
| Part Number | Manufacturer |
|---|---|
| 050/LT/B2 PRIMARY | Oxley Developments Co Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 922712-1C | 7/2 Vendor item drawing reference U.S. Government activity |
| 10139505 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 145-327 | 5/1 Secondary reference Farnell Plc |
NSN 5999-01-125-0643 is a Contact,electrical, manufactured by Oxley Developments Co Ltd, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-125-0643 has 1 manufacturer part number on file: 050/LT/B2 (Oxley Developments Co Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-1380. Verify interchangeability with system specifications before substitution.
Key specifications for 050/LT/B2: Pin Diameter: 0.039 INCHES NOMINAL IN; Mounting Facility Quantity: 1; Surface Treatment Document and Classification: MIL-P-45209 MIL SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT; Overall Diameter: 0.094 INCHES NOMINAL IN. 10 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.