The Insulator,washer, cataloged under National Stock Number 5970-01-278-3167, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-278-3167 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Material Document and Classification | ASTM D4066,PA113 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Inside Diameter | 0.640 INCHES NOMINAL IN |
| Material | POLYAMIDE EPOXY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 426178-1 | 3/2 Design control — primary reference U.S. Government activity |
| 426178 | D/9 Drawing number reference only U.S. Government activity |
NSN 5970-01-278-3167 is a Insulator,washer, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
Key specifications for 5970-01-278-3167: Overall Height: 0.090 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material Document and Classification: ASTM D4066,PA113 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.000 INCHES NOMINAL IN. 5 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.