The Insulator,washer, cataloged under National Stock Number 5970-01-306-2326, 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. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-306-2326 |
| Primary Part Number | 60511449-3 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Material Document and Classification | MIL-I-631, TYPE G, FORM T, SUBFORM TF, CLASS II MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.618 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN |
| Inside Diameter | 0.322 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Material | PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) 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 |
|---|---|
| 60511449-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 60511449 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 5970-01-306-2326 is a Insulator,washer, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-306-2326 has 1 manufacturer part number on file: 60511449-3 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-367-5035. Verify interchangeability with system specifications before substitution.
Key specifications for 60511449-3: Overall Height: 0.003 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material Document and Classification: MIL-I-631, TYPE G, FORM T, SUBFORM TF, CLASS II MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.618 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN. 5 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.