The Washer,shouldered, cataloged under National Stock Number 5310-00-173-2882, 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. Dba Curtiss Wright Div Actuation Division. Government technical data includes 10 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 | 5310-00-173-2882 |
| Primary Part Number | 180789-1 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES BOTTOM |
| Surface Finish | 32.0 MICROINCHES TOP |
| Shoulder Height | 0.040 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-B-750,COMP A,SPRING FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.100 INCHES NOMINAL IN |
| Material Thickness | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.980 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.805 INCHES MINIMUM AND 0.806 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 |
|---|---|
| 180789-1 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 5310-00-173-2882 is a Washer,shouldered, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-173-2882 has 1 manufacturer part number on file: 180789-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
Key specifications for 180789-1: Surface Finish: 32.0 MICROINCHES BOTTOM; Surface Finish: 32.0 MICROINCHES TOP; Shoulder Height: 0.040 INCHES NOMINAL IN; Style Designator: SHOULDERED. 10 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.