The Washer,shouldered, cataloged under National Stock Number 5310-01-418-8644, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Cm Manufacturing Inc Dba Cm Manufacturing Inc (CAGE 6Z056); Nassau Tool Works, Inc (CAGE 2M490); Safran Landing Systems Canada Inc. (CAGE 35962); The Boeing Company Div Defense (CAGE 76301); Hdi Landing Gear Usa Inc (CAGE 5ZSC8) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-418-8644 |
| Primary Part Number | 74A450631-2003 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 74A450631-2003 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A450631-2003 | Nassau Tool Works, Inc (USA) |
| 74A450631-2003 | Safran Landing Systems Canada Inc. (CAN) |
| 74A450631-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450631-2003 | Hdi Landing Gear Usa Inc (USA) |
| 74A450631-2003 | Circor Aerospace, Inc. Div Circor (USA) |
| 74A450631-2003 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| Reference | Meaning |
|---|---|
| 75310011126657 | 5/9 Secondary reference U.S. Government activity |
| 74A450631-2003 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450631-2003 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 74A450631-2003 | 5/9 Secondary reference Blair Industries Inc |
| 74A450631-2003 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 10304674 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450631-2003 | 5/9 Secondary reference Israel Aircraft Industries Ltd Marketing Directorate |
| 74A450631-2003 | 5/2 Secondary reference U.S. Government activity |
| 74A450631-2003 | 5/9 Secondary reference Heroux-Devtek Inc |
| 74A450631-2003 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
NSN 5310-01-418-8644 is a Washer,shouldered, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-418-8644 has 7 manufacturer part numbers on file: 74A450631-2003 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A450631-2003 (Nassau Tool Works, Inc), 74A450631-2003 (Safran Landing Systems Canada Inc.), 74A450631-2003 (The Boeing Company Div Defense), 74A450631-2003 (Hdi Landing Gear Usa Inc) and 2 more.
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.