The Washer,flat, cataloged under National Stock Number 5310-00-965-7774, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 12 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 | 5310-00-965-7774 |
| Primary Part Number | 9075801-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES TOP |
| Overall Diameter | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Heat Treatment | ANNEALED |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 416 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Thickness | 0.028 INCHES MINIMUM AND 0.030 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 |
|---|---|
| 9075801-3 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-965-7774 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-965-7774 has 1 manufacturer part number on file: 9075801-3 (Us Army Aviation and Missile Command).
Key specifications for 9075801-3: Surface Finish: 32.0 MICROINCHES TOP; Overall Diameter: 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Heat Treatment: ANNEALED; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. 12 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.