The Washer,lock, cataloged under National Stock Number 5310-01-564-3538, 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 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-564-3538 |
| Primary Part Number | AEW07X312000WJ1AS1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL 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 |
|---|---|
| AEW07X312000WJ1AS1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 12759-00778 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| 0123495 | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-564-3538 is a Washer,lock, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-564-3538 has 3 manufacturer part numbers on file: AEW07X312000WJ1AS1 (The American Society of Mechanical Engineers), 12759-00778 (Fastenal Company Dba Fastenal Co), 0123495 (Fastenal Company Dba Fastenal Co).
Key specifications for AEW07X312000WJ1AS1: Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment: ZINC OVERALL; Part Name Assigned by Controlling Agency: 5/16 IN YELLOW ZINC PLATED MEDIUM SPLIT LOCK WASHER IN; End Item Identification: TOW TRACTOR, AIRCRAFT ASSEMBLY, DRIVE SHAFT ASSY, PARK BRAKE; TOW TRACTOR, A/C (P/N 4JPAV, PCC 6J9). 3 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.