The Washer,flat, cataloged under National Stock Number 5310-00-062-3370, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Heligear Acquisition Co. Dba Northstar Aerospace, Inc.. 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 | 5310-00-062-3370 |
| Primary Part Number | 584096 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| Status | ACTIVE |
| Overall Diameter | 2.235 INCHES MINIMUM AND 2.245 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | OXIDE FILM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.656 INCHES NOMINAL IN |
| Thickness | 0.098 INCHES MINIMUM AND 0.102 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 |
|---|---|
| 584096 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
NSN 5310-00-062-3370 is a Washer,flat, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-062-3370 has 1 manufacturer part number on file: 584096 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.).
Key specifications for 584096: Overall Diameter: 2.235 INCHES MINIMUM AND 2.245 INCHES MAXIMUM IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: OXIDE FILM 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.