The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-477-0166, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-477-0166 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 40.0 MICROINCHES TOP |
| Surface Finish | 100.0 MICROINCHES INNER |
| Surface Finish | 100.0 MICROINCHES COUNTERBORE WALL |
| Surface Finish | 100.0 MICROINCHES OUTER |
| Surface Finish | 100.0 MICROINCHES BOTTOM |
| Surface Finish | 100.0 MICROINCHES SHOULDER FACE |
| Shoulder Height | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Outside Diameter | 1.565 INCHES MINIMUM AND 1.570 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES NOMINAL IN |
| Shoulder Diameter | 0.940 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.670 INCHES MINIMUM AND 0.671 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 |
|---|---|
| 151888-1 | 3/9 Design control — primary reference Dynamatic Corp |
NSN 5310-00-477-0166 is a Washer,shouldered and Recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-477-0166: Surface Finish: 40.0 MICROINCHES TOP; Surface Finish: 100.0 MICROINCHES INNER; Surface Finish: 100.0 MICROINCHES COUNTERBORE WALL; Surface Finish: 100.0 MICROINCHES OUTER. 14 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.