The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-477-6972, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-477-6972 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.075 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Outside Diameter | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Material Thickness | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.299 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND DICHROMATE OR ZINC AND DICHROMATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.183 INCHES MINIMUM AND 0.193 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 |
|---|---|
| 12-700-011 | 3/9 Design control — primary reference U.S. Government activity |
| 12-700 | D/9 Drawing number reference only U.S. Government activity |
NSN 5310-01-477-6972 is a Washer,shouldered and Recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-477-6972: Shoulder Height: 0.075 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Outside Diameter: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN; Material Thickness: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN. 8 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.