The Insulator,washer, cataloged under National Stock Number 5970-01-505-8078, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-505-8078 |
| Primary Part Number | 6390976-1 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Material Type | THERMOPLASTIC OVERALL |
| Material Form | LAMINATED OVERALL |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 1.870 INCHES MINIMUM AND 1.895 INCHES MAXIMUM IN |
| Inside Diameter | 1.140 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Material | PLASTIC 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 |
|---|---|
| 6390976-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 6390976-1 | 5/1 Secondary reference Naval Sea Systems Command |
| 6390976 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5970-01-505-8078 is a Insulator,washer, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-505-8078 has 1 manufacturer part number on file: 6390976-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 6390976-1: Overall Height: 0.020 INCHES NOMINAL IN; Material Type: THERMOPLASTIC OVERALL; Material Form: LAMINATED OVERALL; Style Designator: ROUND, FLAT. 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.