The Washer,recessed, cataloged under National Stock Number 5310-00-224-9476, 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8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-224-9476 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES ALL SURFACES |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.153 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| Recess Depth | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Material Thickness | 0.036 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 360 OVERALL |
| Hole Diameter | 0.069 INCHES MINIMUM AND 0.071 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 |
|---|---|
| 107-8 | 5/9 Secondary reference U.S. Government activity |
| 107-8 | 3/9 Design control — primary reference Rfs Technologies, Inc. |
NSN 5310-00-224-9476 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-224-9476: Surface Finish: 32.0 MICROINCHES ALL SURFACES; Overall Height: 0.041 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.