The Washer,flat, cataloged under National Stock Number 5310-01-418-7933, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-418-7933 |
| Primary Part Number | 752-6406835-8 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN |
| Inside Right Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Cross-Sectional Shape Style | RECTANGULAR |
| Inside Left Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1018 BODY |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.563 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN |
| Thickness | 0.216 INCHES MINIMUM AND 0.218 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 |
| Part Number | Manufacturer |
|---|---|
| 752-6406835-8 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DF1706-425 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-418-7933 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-418-7933 has 1 manufacturer part number on file: 752-6406835-8 (Naval Sea Systems Command).
Key specifications for 752-6406835-8: Overall Diameter: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN; Inside Right Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Material Document and Classification: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE BODY; Cross-Sectional Shape Style: RECTANGULAR. 10 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.