The Insulator,washer, cataloged under National Stock Number 5970-01-025-3471, 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 Grimes Aerospace Company. Government technical data includes 4 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-025-3471 |
| Primary Part Number | 60-2637-1 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 1.718 INCHES NOMINAL IN |
| Inside Diameter | 0.196 INCHES NOMINAL IN |
| Material | OVERALL PAPER/NOMEX 410/28898 |
| 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 |
|---|---|
| 60-2637-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5970-01-025-3471 is a Insulator,washer, manufactured by Grimes Aerospace Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-025-3471 has 1 manufacturer part number on file: 60-2637-1 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 1650-01-250-5482. Verify interchangeability with system specifications before substitution.
Key specifications for 60-2637-1: Overall Height: 0.005 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 1.718 INCHES NOMINAL IN; Inside Diameter: 0.196 INCHES NOMINAL IN. 4 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.