The Washer,lock, cataloged under National Stock Number 5310-01-496-7010, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is American Society of Mechanical Engineers Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-496-7010 |
| Primary Part Number | AEW16X012000WJ1A81 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | American Society of Mechanical Engineers Inc |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C NOMINAL |
| Material | STEEL OVERALL |
| Hole Diameter | 12.0 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 |
|---|---|
| AEW16X012000WJ1A81 | American Society of Mechanical Engineers Inc (USA) |
| Reference | Meaning |
|---|---|
| G19212HRCZ120 | 5/1 Secondary reference General Dynamics Land Systems Inc. |
| G19212M | D/9 Drawing number reference only General Dynamics Land Systems Inc. |
| B18212HRCZ120 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-496-7010 is a Washer,lock, manufactured by American Society of Mechanical Engineers Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-496-7010 has 1 manufacturer part number on file: AEW16X012000WJ1A81 (American Society of Mechanical Engineers Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-527-8014, 5310-01-581-6709, 5310-01-619-7091. Verify interchangeability with system specifications before substitution.
Key specifications for AEW16X012000WJ1A81: Hardness Rating: 45.0 ROCKWELL C NOMINAL; Special Features: CARBON STEEL MATL PER SAE J403,1050 - 1065;UNABLE TO SPECIFY TYPE OF LOCKWASHER REQUIRED; End Item Identification: INTERIM ARMORED VEHICLE (IAV),CONTRACTOR LOGISTICS SUPPORT (CLS); MRAP BUFFALO MK2A2; Material: STEEL OVERALL. 3 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.