The Contact,electrical, cataloged under National Stock Number 5999-00-445-5508, 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 Westinghouse Electric Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-00-445-5508 |
| Primary Part Number | S178791 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Voltage Rating in Volts | 230.0 DC |
| Point Diameter | 0.260 INCHES NOMINAL IN |
| Mounting Facility Quantity | 1 |
| Precious Material | GOLD |
| Mounting Method | UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Style Designator | FLAT LEAF CONTACT W/ ROUND FIXED POINT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Surface Treatment | GOLD BODY |
| Surface Treatment | GOLD CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES GOLD |
| Material | COPPER CONTACT |
| Material | COPPER BODY |
| Current Rating in Amps | 75.0 |
| 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 |
|---|---|
| S178791 | Westinghouse Electric Corp (USA) |
| 37J985SUB4ITEM6A | Westinghouse Electric Corp (USA) |
| 22J505ITEM1 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| S178791 | 3/9 Design control — primary reference Westinghouse Electric Corp Power Generation-Generator Div |
| S178791 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 5999-00-445-5508 is a Contact,electrical, manufactured by Westinghouse Electric Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-445-5508 has 3 manufacturer part numbers on file: S178791 (Westinghouse Electric Corp), 37J985SUB4ITEM6A (Westinghouse Electric Corp), 22J505ITEM1 (Westinghouse Electric Corp).
Key specifications for S178791: Voltage Rating in Volts: 230.0 DC; Point Diameter: 0.260 INCHES NOMINAL IN; Mounting Facility Quantity: 1; Precious Material: GOLD. 14 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.