The Washer,finishing, cataloged under National Stock Number 5310-00-820-4797, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Maremont Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-820-4797 |
| Primary Part Number | 401008 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Maremont Corp |
| Status | ACTIVE |
| Style Designator | FINISHING |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.075 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.390 INCHES NOMINAL 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 |
|---|---|
| 401008 PRIMARY | Maremont Corp (USA) |
| Reference | Meaning |
|---|---|
| AB18041A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| AB18041A | 5/9 Secondary reference Ford Motor Company |
NSN 5310-00-820-4797 is a Washer,finishing, manufactured by Maremont Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-820-4797 has 1 manufacturer part number on file: 401008 (Maremont Corp).
1 possible match (shared part number, not a government interchangeability claim): 4910-01-546-3821. Verify interchangeability with system specifications before substitution.
Key specifications for 401008: Overall Height: 0.210 INCHES NOMINAL IN; Style Designator: FINISHING; Outside Diameter: 1.250 INCHES NOMINAL IN; Material Thickness: 0.075 INCHES NOMINAL IN. 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.