The Insulator,bushing, cataloged under National Stock Number 5970-00-669-9753, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-669-9753 |
| Primary Part Number | S1656768 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-P-79, TYPE GMG MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| End Configuration | BOTH ENDS SQUARED |
| Material | GLASS AND PLASTIC MELAMINE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S1656768 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 26B1488 | 5/1 Secondary reference Westinghouse Electric Corp |
| S1656768 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 5970-00-669-9753 is a Insulator,bushing, manufactured by Westinghouse Electric Corp, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-669-9753 has 1 manufacturer part number on file: S1656768 (Westinghouse Electric Corp).
Key specifications for S1656768: Overall Height: 7.750 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Material Document and Classification: MIL-P-79, TYPE GMG MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.625 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.