The Insulator,washer, cataloged under National Stock Number 5970-01-057-9667, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-057-9667 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.593 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN |
| First Key Thickness | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| First Key Width | 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Inside Diameter | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Material | PLASTIC DIALLYL PHTHALATE AND PLASTIC ACRYLIC 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 |
|---|---|
| A57T0001-1 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
NSN 5970-01-057-9667 is a Insulator,washer, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
Key specifications for 5970-01-057-9667: Overall Height: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.593 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN; First Key Thickness: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM 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.