The Washer,flat, cataloged under National Stock Number 5310-01-569-9619, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-569-9619 |
| Primary Part Number | AEW23M10R000BD8AB1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| 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 |
|---|---|
| AEW23M10R000BD8AB1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| A458010HARDZ PRIMARY | Suburban Bolt & Supply Co (USA) |
| Reference | Meaning |
|---|---|
| A458010HARDZ | 5/9 Secondary reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| B18.22M | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-569-9619 is a Washer,flat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-569-9619 has 2 manufacturer part numbers on file: AEW23M10R000BD8AB1 (The American Society of Mechanical Engineers), A458010HARDZ (Suburban Bolt & Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-617-1587. Verify interchangeability with system specifications before substitution.
Key specifications for AEW23M10R000BD8AB1: Special Features: MATERIAL: ASTM F 436,TYPE 1 - CARBON STEEL;FINISH: ASTM B 633,TYPE II,SC 4; Part Name Assigned by Controlling Agency: M 10 NUT FLAT WASHER HARDENED Z BN 343 FOR LAV-D KIT; End Item Identification: 2355-01-539-3639; LIGHT ARMORED VEHICLE. 0 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.