The Washer,shouldered, cataloged under National Stock Number 5310-00-512-5458, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 11 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 | 5310-00-512-5458 |
| Primary Part Number | 226761 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Surface Finish | 80.0 MICROINCHES TOP |
| Surface Finish | 50.0 MICROINCHES INNER |
| Surface Finish | 80.0 MICROINCHES BOTTOM |
| Shoulder Height | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Heat Treatment | AS FABRICATED |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Shoulder Diameter | 0.740 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.630 INCHES MINIMUM AND 0.640 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 |
|---|---|
| 226761 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5310-00-512-5458 is a Washer,shouldered, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-512-5458 has 1 manufacturer part number on file: 226761 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 226761: Surface Finish: 80.0 MICROINCHES TOP; Surface Finish: 50.0 MICROINCHES INNER; Surface Finish: 80.0 MICROINCHES BOTTOM; Overall Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 11 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.