The Insulator,washer, cataloged under National Stock Number 5970-01-525-4745, 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 Johnson Controls Navy Systems, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-525-4745 |
| Primary Part Number | 028-09257-000 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 3.625 INCHES NOMINAL IN |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| 028-09257-000 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 476-84001-002 ITEM 23 | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
| 028-09257 | 3/9 Design control — primary reference Johnson Controls Navy Systems, Llc |
| 477-13069-000 ITEM 23 | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
NSN 5970-01-525-4745 is a Insulator,washer, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-525-4745 has 1 manufacturer part number on file: 028-09257-000 (Johnson Controls Navy Systems, Llc).
Key specifications for 028-09257-000: Overall Height: 0.500 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 3.625 INCHES NOMINAL IN; Inside Diameter: 2.000 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.