The Washer,lock, cataloged under National Stock Number 5310-01-681-8285, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-681-8285 |
| Primary Part Number | AEW08X375000CH2A11 |
| 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 |
| Material Document and Classification | ASTM F593,ALLOY GROUP 1,DEFAULT CONDITION CW ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.688 INCHES MAXIMUM IN |
| Material Thickness | 0.155 INCHES NOMINAL IN |
| Specification/standard Data | 05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.385 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 |
|---|---|
| AEW08X375000CH2A11 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| ANSI B18.21.1 | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 5310-01-681-8285 is a Washer,lock, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-681-8285 has 1 manufacturer part number on file: AEW08X375000CH2A11 (The American Society of Mechanical Engineers).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-681-8578, 5310-01-681-8586. Verify interchangeability with system specifications before substitution.
Key specifications for AEW08X375000CH2A11: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: ASTM F593,ALLOY GROUP 1,DEFAULT CONDITION CW ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.688 INCHES MAXIMUM IN; Material Thickness: 0.155 INCHES NOMINAL 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.