The Washer,recessed, cataloged under National Stock Number 5310-01-047-0430, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-047-0430 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-250/5,TEMPER T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN |
| Recess Depth | 0.153 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Material Thickness | 0.103 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OR CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.252 INCHES MINIMUM AND 0.260 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 |
|---|---|
| CUC772D4L | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| CVC772D4L | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-047-0430 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-047-0430: Overall Height: 0.177 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: QQ-A-250/5,TEMPER T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.