The Insulator,washer, cataloged under National Stock Number 5970-01-047-4009, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-047-4009 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Inside Diameter | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10240-3 | 3/9 Design control — primary reference Thermalloy Co Inc |
| 36002224-002 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation |
| 3141540-01 | 5/9 Secondary reference Ampex Data Systems Corp Computer Products Div |
| 3141540-01 | 5/9 Secondary reference Ampex Data Systems Corporation Dba Ampex Intelligent Systems |
NSN 5970-01-047-4009 is a Insulator,washer, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6625-01-071-3683. Verify interchangeability with system specifications before substitution.
Key specifications for 5970-01-047-4009: Overall Height: 0.055 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN; Inside Diameter: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM 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.