The Washer,flat, cataloged under National Stock Number 5310-01-070-3001, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-070-3001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material Document and Classification | WW-T-700/3,TEMPER T3,TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 80205-NAS42 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Color | GRAY/GREY OR BLUE OVERALL |
| Surface Treatment | ANODIZE OR CHROMATE OVERALL |
| Minimum Tensile Strength | 62000 POUNDS PER SQUARE INCH LBS |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Thickness | 0.011 INCHES MINIMUM AND 0.021 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 |
|---|---|
| NAS42DD4-016 | 5/9 Secondary reference U.S. Government activity |
| NAS42DD4-1 | 5/9 Secondary reference U.S. Government activity |
| NAS42DD4-1N | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-070-3001 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-070-3001: Surface Treatment Document and Classification: MIL-A-8625,TY 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Overall Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Material Document and Classification: WW-T-700/3,TEMPER T3,TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 13 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.