The Washer,recessed, cataloged under National Stock Number 5310-01-077-5828, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-077-5828 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-250/4,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/4,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.880 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN |
| Material Thickness | 0.083 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Recess Diameter | 1.161 INCHES MINIMUM AND 1.181 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 1.012 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN |
| Recess Angle | 90.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| BACW10BN161AC | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-077-5828 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-077-5828: Surface Treatment Document and Classification: MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: QQ-A-250/4,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/4,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.880 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN. 10 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.