The Washer,recessed, cataloged under National Stock Number 5310-00-900-8575, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-900-8575 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES TOP |
| Surface Finish | 16.0 MICROINCHES BOTTOM |
| Style Designator | RECESSED |
| Outside Diameter | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Material Thickness | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Recess Diameter | 0.181 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.1495 INCHES MINIMUM AND 0.1500 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 |
|---|---|
| 244655 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-900-8575 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-900-8575: Surface Finish: 16.0 MICROINCHES TOP; Surface Finish: 16.0 MICROINCHES BOTTOM; Style Designator: RECESSED; Outside Diameter: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN. 9 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.