The Washer,flat, cataloged under National Stock Number 5310-01-665-0396, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-665-0396 |
| Primary Part Number | AEW24X25N000SB8A31 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Overall Diameter | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Specification/standard Data | 05047-ASMEB18.24-2015 NATIONAL STD/SPEC |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN |
| Thickness | 0.051 INCHES MINIMUM AND 0.080 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 |
|---|---|
| AEW24X25N000SB8A31 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B18.24-2004 | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 5310-01-665-0396 is a Washer,flat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-665-0396 has 1 manufacturer part number on file: AEW24X25N000SB8A31 (The American Society of Mechanical Engineers).
Key specifications for AEW24X25N000SB8A31: Overall Diameter: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Cross-Sectional Shape Style: BLANK RECTANGULAR; Specification/standard Data: 05047-ASMEB18.24-2015 NATIONAL STD/SPEC; Surface Treatment: PASSIVATE OVERALL. 9 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.