The Washer,shouldered, cataloged under National Stock Number 5310-00-403-8320, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. 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 | 5310-00-403-8320 |
| Primary Part Number | 933A290P02 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Shoulder Height | 0.071 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Heat Treatment | AS FABRICATED |
| Style Designator | SHOULDERED |
| Material Document and Classification | AMS 5645 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Material Thickness | 0.057 INCHES NOMINAL IN |
| Shoulder Diameter | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Hole Diameter | 0.193 INCHES MINIMUM AND 0.213 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 |
|---|---|
| 933A290P02 PRIMARY | General Electric Company (USA) |
NSN 5310-00-403-8320 is a Washer,shouldered, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-403-8320 has 1 manufacturer part number on file: 933A290P02 (General Electric Company).
Key specifications for 933A290P02: Shoulder Height: 0.071 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Style Designator: SHOULDERED; Material Document and Classification: AMS 5645 MFR REF SINGLE MATERIAL RESPONSE 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.