The Washer,flat, cataloged under National Stock Number 5310-01-353-8285, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-353-8285 |
| Primary Part Number | 593-6405224 PIECE 123 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 2.813 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.156 INCHES NOMINAL IN |
| Thickness | 0.060 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 |
|---|---|
| 593-6405224 PIECE 123 PRIMARY | Naval Sea Systems Command (USA) |
| DF7501-102-123 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 211038154 | Naval Sea Systems Command (USA) |
NSN 5310-01-353-8285 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-353-8285 has 3 manufacturer part numbers on file: 593-6405224 PIECE 123 (Naval Sea Systems Command), DF7501-102-123 (Huntington Ingalls Inc Div Newport News Shipbuilding), 211038154 (Naval Sea Systems Command).
Key specifications for 593-6405224 PIECE 123: Overall Diameter: 2.813 INCHES NOMINAL IN; Material: STEEL OVERALL; Hole Diameter: 1.156 INCHES NOMINAL IN; Thickness: 0.060 INCHES NOMINAL IN. 4 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.