The Washer,shouldered, cataloged under National Stock Number 5310-00-402-3281, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-402-3281 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Style Designator | SHOULDERED |
| Material Document and Classification | ASTM D735,TY S+715 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN |
| Material Thickness | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 1500 POUNDS PER SQUARE INCH LBS |
| Material | RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| D4524-265 | 3/9 Design control — primary reference U.S. Government activity |
| D4524-265 | 5/9 Secondary reference Drs Environmental Systems Inc |
| D4524-265 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-402-3281 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-402-3281: Shoulder Height: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Style Designator: SHOULDERED; Material Document and Classification: ASTM D735,TY S+715 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 10 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.