The Contact,electrical, cataloged under National Stock Number 5999-01-050-4502, 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 International Business Machines Corp Parts Order Center Dept E - 54. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5999-01-050-4502 |
| Primary Part Number | 535679 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| Status | ACTIVE |
| Pin Diameter | 0.062 INCHES NOMINAL IN |
| Overall Diameter | 0.188 INCHES NOMINAL IN |
| Style Designator | PIN CONTACT |
| Cable Entrance Diameter | 0.125 INCHES NOMINAL IN |
| Terminal Type and Quantity | 1 PIN END OPPOSITE CONTACT |
| Pin Length | 0.688 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 | J |
| Part Number | Manufacturer |
|---|---|
| 535679 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| Reference | Meaning |
|---|---|
| 535679 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 5999-01-050-4502 is a Contact,electrical, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-050-4502 has 1 manufacturer part number on file: 535679 (International Business Machines Corp Parts Order Center Dept E - 54).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-685-3853. Verify interchangeability with system specifications before substitution.
Key specifications for 535679: Pin Diameter: 0.062 INCHES NOMINAL IN; Overall Diameter: 0.188 INCHES NOMINAL IN; Style Designator: PIN CONTACT; Overall Length: 1.375 INCHES NOMINAL IN. 6 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.