The Washer,lock, cataloged under National Stock Number 5310-01-267-4987, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-267-4987 |
| Primary Part Number | 7237704P009 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-S-766,CL 316 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE 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 |
|---|---|
| 7237704P009 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 7237724P009VM | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5310-01-267-4987 is a Washer,lock, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-267-4987 has 2 manufacturer part numbers on file: 7237704P009 (Lockheed Martin Corporation Div Rms), 7237724P009VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for 7237704P009: Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-S-766,CL 316 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE 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.