The Washer,flat, cataloged under National Stock Number 5310-01-270-7260, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-270-7260 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 2.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | SQUARE |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.811 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN |
| Thickness | 0.125 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 |
|---|---|
| 14721200-11 | 5/9 Secondary reference U.S. Government activity |
| 14721200 PIECE 16 | 5/9 Secondary reference U.S. Government activity |
| 14721200 PIECE 16 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 14721200 PIECE 16 | 5/2 Secondary reference U.S. Government activity |
| 14721200-11 | 5/2 Secondary reference U.S. Government activity |
| 14721200-11 | 3/9 Design control — primary reference Gulf Coast Holdings, Inc Dba Unidynamics |
NSN 5310-01-270-7260 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-270-7260: Width Across Flats: 2.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: SQUARE; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 6 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.