The Clamp,electrical, cataloged under National Stock Number 5999-00-258-2174, 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 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-00-258-2174 |
| Primary Part Number | S459990 |
| Item Name | Clamp,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Accommodation Hole Width | 0.500 INCHES NOMINAL IN |
| Mounting Method | SCREW |
| Style Designator | GROOVE |
| Conductor Accommodation Quantity | 2 |
| Mounting Device Quantity | 1 |
| Surface Treatment | CADMIUM BODY |
| Material | STEEL 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 | X |
| Part Number | Manufacturer |
|---|---|
| S459990 PRIMARY | Westinghouse Electric Corp (USA) |
| S1312958 PRIMARY | Westinghouse Electric Corp (USA) |
| 35J727PC43 PRIMARY | Westinghouse Electric Corp (USA) |
| 37J740SH4ITEM5 PRIMARY | Westinghouse Electric Corp (USA) |
| 35J965SH4ITEM12 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 35J965SH4ITEM12 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| S459990 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| S1312958 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| BDE1S6100-838PC4 | 3/2 Design control — primary reference U.S. Government activity |
| 35J727PC43 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| DE339S6100-279015SH4ITEM5 | 3/2 Design control — primary reference U.S. Government activity |
| BDE1S6100-835SH4ITEM12 | 3/2 Design control — primary reference U.S. Government activity |
| 37J740SH4ITEM5 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 5999-00-258-2174 is a Clamp,electrical, manufactured by Westinghouse Electric Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-258-2174 has 5 manufacturer part numbers on file: S459990 (Westinghouse Electric Corp), S1312958 (Westinghouse Electric Corp), 35J727PC43 (Westinghouse Electric Corp), 37J740SH4ITEM5 (Westinghouse Electric Corp), 35J965SH4ITEM12 (Westinghouse Electric Corp).
Key specifications for S459990: Overall Height: 0.634 INCHES NOMINAL IN; Accommodation Hole Width: 0.500 INCHES NOMINAL IN; Mounting Method: SCREW; Style Designator: GROOVE. 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.