The Washer,lock, cataloged under National Stock Number 5310-00-930-6843, 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 7 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. 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 | 5310-00-930-6843 |
| Primary Part Number | 7237704P004 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-S-766 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.337 INCHES NOMINAL IN |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL |
| Hole Diameter | 0.194 INCHES NOMINAL IN |
| 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 |
|---|---|
| 763622 | Wass Srl (ITA) |
| 7237704P004 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 5310-00-930-6843 is a Washer,lock, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-930-6843 has 2 manufacturer part numbers on file: 763622 (Wass Srl), 7237704P004 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-372-9996. Verify interchangeability with system specifications before substitution.
Key specifications for 7237704P004: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-S-766 FED SPEC 3RD MATERIAL RESPONSE OVERALL; Outside Diameter: 0.337 INCHES NOMINAL IN; Material Thickness: 0.047 INCHES NOMINAL IN. 7 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.