The Insulator,washer, cataloged under National Stock Number 5970-00-357-7637, 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 The Boeing Company Div Commercial. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-357-7637 |
| Primary Part Number | BACW10P37L |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.330 INCHES NOMINAL IN |
| Inside Diameter | 0.140 INCHES NOMINAL IN |
| Material | PLASTIC PHENOLIC AND COTTON 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 |
|---|---|
| BACW10P37L PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| BACW10P37L | 5/9 Secondary reference U.S. Government activity |
NSN 5970-00-357-7637 is a Insulator,washer, manufactured by The Boeing Company Div Commercial, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-357-7637 has 1 manufacturer part number on file: BACW10P37L (The Boeing Company Div Commercial).
Key specifications for BACW10P37L: Overall Height: 0.031 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.330 INCHES NOMINAL IN; Inside Diameter: 0.140 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.