The Insulator,washer, cataloged under National Stock Number 5970-00-446-2641, 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 Yale Electric Supply Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-446-2641 |
| Primary Part Number | 310B141H04 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Yale Electric Supply Company |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Diameter | 0.203 INCHES NOMINAL IN |
| Material | FIBER OVERALL |
| 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 |
|---|---|
| 310B141H04 | Wesco Distribution, Inc. Dba Wesco Distribution Div Dayton Oh (USA) |
| 310B141H04 PRIMARY | Yale Electric Supply Company (USA) |
| Reference | Meaning |
|---|---|
| 310B141H04 | 5/9 Secondary reference Westinghouse Electric Corp |
| 310B141H04 | 5/9 Secondary reference U.S. Government activity |
| 310B141H04 | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
NSN 5970-00-446-2641 is a Insulator,washer, manufactured by Yale Electric Supply Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-446-2641 has 2 manufacturer part numbers on file: 310B141H04 (Wesco Distribution, Inc. Dba Wesco Distribution Div Dayton Oh), 310B141H04 (Yale Electric Supply Company).
Key specifications for 310B141H04: Overall Height: 0.031 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.500 INCHES NOMINAL IN; Inside Diameter: 0.203 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.