The Washer,flat, cataloged under National Stock Number 5310-01-285-1722, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Canadacorp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-285-1722 |
| Primary Part Number | 10519774 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633,FE/ZN13,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 23.7 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Peripheral Shape Style | DEE |
| Width | 22.5 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Thickness | 1.7 MILLIMETERS MINIMUM AND 2.3 MILLIMETERS MAXIMUM MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10519774 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
NSN 5310-01-285-1722 is a Washer,flat, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-285-1722 has 1 manufacturer part number on file: 10519774 (General Dynamics Land Systems Canadacorp).
Key specifications for 10519774: Surface Treatment Document and Classification: ASTM B633,FE/ZN13,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 23.7 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM MM; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC AND CHROMATE 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.