The Washer,shouldered, cataloged under National Stock Number 5310-01-044-3040, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-044-3040 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.033 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.343 INCHES NOMINAL IN |
| Material Thickness | 0.021 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 1213 OVERALL |
| Hole Diameter | 0.188 INCHES MINIMUM AND 0.190 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 |
| Reference | Meaning |
|---|---|
| 1A6-1291 | 3/9 Design control — primary reference Litton Industries Inc Westrex Oem Products Div |
NSN 5310-01-044-3040 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-044-3040: Shoulder Height: 0.033 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.343 INCHES NOMINAL IN. 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.