The Washer,key, cataloged under National Stock Number 5310-00-151-5531, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-151-5531 |
| Primary Part Number | 230971 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-250/8,H24 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 230971 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 230971 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5310-00-151-5531 is a Washer,key, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-151-5531 has 1 manufacturer part number on file: 230971 (Honeywell International Inc. Dba Honeywell International).
Key specifications for 230971: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-A-250/8,H24 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: CHROMATE OVERALL; Material: ALUMINUM ALLOY 5052 OVERALL. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.