The Insulator,washer, cataloged under National Stock Number 5970-00-583-0428, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-583-0428 |
| Primary Part Number | 860111 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment and Location | OVERALL VARNISHED,MIL-V-173,TYPE 1 |
| Style Designator | ROUND, FLAT |
| Material Document and Classification | FIBERGLASS CLOTH,NEMA GRADE G5 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.312 INCHES NOMINAL IN |
| Inside Diameter | 0.156 INCHES NOMINAL IN |
| Material | GLASS AND PLASTIC MELAMINE 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 |
|---|---|
| 860111 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5970-00-583-0428 is a Insulator,washer, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-583-0428 has 1 manufacturer part number on file: 860111 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 5999-00-827-9605, 2590-01-104-4097. Verify interchangeability with system specifications before substitution.
Key specifications for 860111: Overall Height: 0.062 INCHES NOMINAL IN; Surface Treatment and Location: OVERALL VARNISHED,MIL-V-173,TYPE 1; Style Designator: ROUND, FLAT; Material Document and Classification: FIBERGLASS CLOTH,NEMA GRADE G5 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL. 6 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.