The Insulator,bushing, cataloged under National Stock Number 5970-00-310-6977, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-310-6977 |
| Primary Part Number | P7705386P31 |
| 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 PBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Diameter | 0.164 INCHES NOMINAL IN |
| End Configuration | BOTH ENDS SQUARED |
| Material | PLASTIC PHENOLIC AND PAPER 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 |
|---|---|
| P7705386 | Westinghouse Electric Corp (USA) |
| P7705386P31 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| P7705386 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
NSN 5970-00-310-6977 is a Insulator,bushing, manufactured by Westinghouse Electric Corp, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-310-6977 has 2 manufacturer part numbers on file: P7705386 (Westinghouse Electric Corp), P7705386P31 (Westinghouse Electric Corp).
Key specifications for P7705386P31: Overall Height: 1.000 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Material Document and Classification: MIL-P-79, TYPE PBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.375 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.