The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-982-8304, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-982-8304 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES SHOULDER FACE |
| Surface Finish | 63.0 MICROINCHES INNER |
| Surface Finish | 63.0 MICROINCHES COUNTERBORE WALL |
| Surface Finish | 63.0 MICROINCHES TOP |
| Surface Treatment Document and Classification | AMS2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Heat Treatment | F-AS FABRICATED |
| Hardness Rating | 50.0 ROCKWELL B MINIMUM |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | AMS4117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.876 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.695 INCHES MINIMUM AND 1.705 INCHES MAXIMUM IN |
| Recess Diameter | 0.564 INCHES MINIMUM AND 0.584 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.474 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Recess Angle | 90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 2-060-223-01 | 3/2 Design control — primary reference U.S. Government activity |
| 2-060-223-01A | 5/9 Secondary reference U.S. Government activity |
| 2-060-223-01 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-982-8304 is a Washer,shouldered and Recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-982-8304: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES SHOULDER FACE; Surface Finish: 63.0 MICROINCHES INNER; Surface Finish: 63.0 MICROINCHES COUNTERBORE WALL. 19 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.