The Insulator,washer, cataloged under National Stock Number 5970-01-010-0553, 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 Tamshell Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-010-0553 |
| Primary Part Number | 950B430-2 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Tamshell Corporation |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.438 INCHES NOMINAL IN |
| Inside Diameter | 0.187 INCHES NOMINAL IN |
| Material | OVERALL PLASTIC,RESIN-44789-79500 |
| 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 |
|---|---|
| 950B430-2 | Tamshell Corporation (USA) |
| 503/2/06146/002 | Eaton Limited (GBR) |
| Reference | Meaning |
|---|---|
| 950B430-2 | 3/2 Design control — primary reference U.S. Government activity |
| 950B430-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5970-01-010-0553 is a Insulator,washer, manufactured by Tamshell Corporation, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-010-0553 has 2 manufacturer part numbers on file: 950B430-2 (Tamshell Corporation), 503/2/06146/002 (Eaton Limited).
Key specifications for 950B430-2: Overall Height: 0.060 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.438 INCHES NOMINAL IN; Inside Diameter: 0.187 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.