The Insulator,washer, cataloged under National Stock Number 5970-01-500-0725, 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 Wayne Kerr Electronics Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-500-0725 |
| Primary Part Number | 4SU003280 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Wayne Kerr Electronics Inc |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 12.30 MILLIMETERS NOMINAL MM |
| Inside Diameter | 9.92 MILLIMETERS NOMINAL MM |
| Material | GLASS 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 |
|---|---|
| 4SU003280 PRIMARY | Wayne Kerr Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 4SU003280 | 3/9 Design control — primary reference Wayne Kerr Electronics Inc |
NSN 5970-01-500-0725 is a Insulator,washer, manufactured by Wayne Kerr Electronics Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-500-0725 has 1 manufacturer part number on file: 4SU003280 (Wayne Kerr Electronics Inc).
Key specifications for 4SU003280: Overall Height: 0.0625 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 12.30 MILLIMETERS NOMINAL MM; Inside Diameter: 9.92 MILLIMETERS NOMINAL MM. 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.