The Washer,flat, cataloged under National Stock Number 5310-01-642-2283, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-642-2283 |
| Primary Part Number | AEW23X16W050DH1A31 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Overall Diameter | 50.0 MILLIMETERS NOMINAL MM |
| Supplementary Features | FINISH: PLAIN; BOLT SIZE: M16 |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 17.0 MILLIMETERS NOMINAL MM |
| Thickness | 3.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| AEW23X16W050DH1A31 PRIMARY | The American Society of Mechanical Engineers (USA) |
| WC6460000A20000 | Fastenal Company Dba Fastenal Co (USA) |
| Reference | Meaning |
|---|---|
| ISO7093-1-16-200HV-A2A | C/1 Advisory reference — outside the item-of-supply concept International Organization for Standardization (iso) |
NSN 5310-01-642-2283 is a Washer,flat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-642-2283 has 2 manufacturer part numbers on file: AEW23X16W050DH1A31 (The American Society of Mechanical Engineers), WC6460000A20000 (Fastenal Company Dba Fastenal Co).
Key specifications for AEW23X16W050DH1A31: Overall Diameter: 50.0 MILLIMETERS NOMINAL MM; Supplementary Features: FINISH: PLAIN; BOLT SIZE: M16; Cross-Sectional Shape Style: RECTANGULAR; Special Features: DIN 9021 CLASS A2. 8 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.