The Washer,flat, cataloged under National Stock Number 5310-00-474-9920, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-474-9920 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Diameter | 2.760 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.280 INCHES NOMINAL IN |
| Thickness | 0.260 INCHES NOMINAL 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 |
|---|---|
| GAA7612 | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| GAA7612 | 5/9 Secondary reference Ford Motor Company |
NSN 5310-00-474-9920 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-474-9920: Overall Diameter: 2.760 INCHES NOMINAL IN; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: CADMIUM OR ZINC 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.