The Insulator,washer, cataloged under National Stock Number 5970-01-010-0551, 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 Eaton Limited. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-010-0551 |
| Primary Part Number | 503/2/06146/001 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Eaton Limited |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.393 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN |
| Inside Diameter | 0.253 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Material | OVERALL PLASTIC,RESIN-44789DP-79500 |
| 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 |
|---|---|
| 503/2/06146/001 | Eaton Limited (GBR) |
| Reference | Meaning |
|---|---|
| 950B430-1 | 5/9 Secondary reference U.S. Government activity |
| 950B430-1 | 5/9 Secondary reference Tamshell Corporation |
| 950B430-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5970-01-010-0551 is a Insulator,washer, manufactured by Eaton Limited, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-010-0551 has 1 manufacturer part number on file: 503/2/06146/001 (Eaton Limited).
Key specifications for 503/2/06146/001: Overall Height: 0.060 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.393 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN; Inside Diameter: 0.253 INCHES MINIMUM AND 0.256 INCHES MAXIMUM 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.