The Washer,flat, cataloged under National Stock Number 5310-00-477-6741, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-477-6741 |
| 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 AND MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-785,T3,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE AND OXIDE FILM 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 | 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Thickness | 0.057 INCHES MINIMUM AND 0.067 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 |
|---|---|
| 10121407 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| NAS42DD6-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-477-6741 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-477-6741: Surface Treatment Document and Classification: MIL-A-8625 TY 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Overall Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-785,T3,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 11 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.