The Washer,lock, cataloged under National Stock Number 5310-01-596-3741, 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 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-596-3741 |
| Primary Part Number | AEW13X375000GD5A21 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FLAT EXTERNAL TEETH |
| Outside Diameter | 0.670 INCHES MINIMUM AND 0.694 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 |
|---|---|
| AEW13X375000GD5A21 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5310-01-596-3741 is a Washer,lock, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-596-3741 has 1 manufacturer part number on file: AEW13X375000GD5A21 (The American Society of Mechanical Engineers).
Key specifications for AEW13X375000GD5A21: Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT EXTERNAL TEETH; Outside Diameter: 0.670 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN; Material Thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM 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.