The Insulator,washer, cataloged under National Stock Number 5970-00-306-4634, 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 Kelly Manufacturing Company. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-306-4634 |
| Primary Part Number | C63909 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Kelly Manufacturing Company |
| Status | ACTIVE |
| Material Form | VULCANIZED OVERALL |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.370 INCHES NOMINAL IN |
| Inside Diameter | 0.080 INCHES NOMINAL IN |
| Material | 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 |
|---|---|
| C63909 PRIMARY | Kelly Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| C63909 | 5/9 Secondary reference Allen R C Instruments Inc |
| C63909 | 5/9 Secondary reference Allen R C Co Inc Cash Register Div |
NSN 5970-00-306-4634 is a Insulator,washer, manufactured by Kelly Manufacturing Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-306-4634 has 1 manufacturer part number on file: C63909 (Kelly Manufacturing Company).
Key specifications for C63909: Overall Height: 0.010 INCHES NOMINAL IN; Material Form: VULCANIZED OVERALL; Style Designator: ROUND, FLAT; Outside Diameter: 0.370 INCHES NOMINAL IN. 5 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.