The Washer,lock, cataloged under National Stock Number 5310-01-480-9803, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-480-9803 |
| Primary Part Number | AEW11X375000DG1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Outside Diameter | 0.670 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM 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 |
|---|---|
| 33713 | Fastenal Company Dba Fastenal Co (USA) |
| AEW11X375000DG1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 0149565 | Omnichron (USA) |
| Reference | Meaning |
|---|---|
| 85049 | 5/9 Secondary reference Cole Hersee Company |
| 5HE462 | 5/9 Secondary reference Oshkosh Defense Llc |
| 5HE462 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-480-9803 is a Washer,lock, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-480-9803 has 3 manufacturer part numbers on file: 33713 (Fastenal Company Dba Fastenal Co), AEW11X375000DG1 (The American Society of Mechanical Engineers), 0149565 (Omnichron).
1 possible match (shared part number, not a government interchangeability claim): 8415-01-730-3738. Verify interchangeability with system specifications before substitution.
Key specifications for AEW11X375000DG1: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.670 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN; Material Thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Special Features: LOCKING FEATURE: INTERNAL TOOTH. 6 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.