The Washer,flat, cataloged under National Stock Number 5310-01-650-4168, 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 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 | 5310-01-650-4168 |
| Primary Part Number | AEW26X43N000BD6AC1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTMB633,TYPEIII,SC1ZINCPLATE ASSN STD 1ST TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.438 INCHES NOMINAL IN |
| Specification/standard Data | 05047ASME18.21.1-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| 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 |
|---|---|
| HWZSI9112216-01 | Haulmark Trailers (australia) Pty Ltd (AUS) |
| AEW26X43N000BD6AC1 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5310-01-650-4168 is a Washer,flat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-650-4168 has 2 manufacturer part numbers on file: HWZSI9112216-01 (Haulmark Trailers (australia) Pty Ltd), AEW26X43N000BD6AC1 (The American Society of Mechanical Engineers).
Key specifications for AEW26X43N000BD6AC1: Surface Treatment Document and Classification: ASTMB633,TYPEIII,SC1ZINCPLATE ASSN STD 1ST TREATMENT RESPONSE OVERALL; Overall Diameter: 0.438 INCHES NOMINAL IN; Specification/standard Data: 05047ASME18.21.1-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Treatment: ZINC OVERALL. 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.