The Washer,flat, cataloged under National Stock Number 5310-01-295-0610, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-295-0610 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTMA380 ASSN STD 1ST TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CHROMATE AND PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.089 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Thickness | 0.016 INCHES MINIMUM AND 0.025 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 |
|---|---|
| 533830-1802 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-295-0610 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-295-0610: Surface Treatment Document and Classification: ASTMA380 ASSN STD 1ST TREATMENT RESPONSE OVERALL; Overall Diameter: 0.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: MADE FR MS15795-802/WASH PRIME PER MIL-C-8514 (F-66,METHOD 1)/USED ON AN/APQ158. 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.