The Washer,lock, cataloged under National Stock Number 5310-01-592-1178, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-592-1178 |
| Primary Part Number | AEW22X250000EA1AA1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cummins Power Generation Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | B633, TYPE II, SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTM F844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN |
| Material Thickness | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.267 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 |
|---|---|
| AEW22X250000EA1AA1 | The American Society of Mechanical Engineers (USA) |
| AEW22X250000EA1AA1 PRIMARY | Cummins Power Generation Inc. (USA) |
NSN 5310-01-592-1178 is a Washer,lock, manufactured by Cummins Power Generation Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-592-1178 has 2 manufacturer part numbers on file: AEW22X250000EA1AA1 (The American Society of Mechanical Engineers), AEW22X250000EA1AA1 (Cummins Power Generation Inc.).
Key specifications for AEW22X250000EA1AA1: Surface Treatment Document and Classification: B633, TYPE II, SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: ASTM F844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN; Material Thickness: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN. 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.