The Washer,shouldered, cataloged under National Stock Number 5310-00-471-9124, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-471-9124 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES TOP |
| Surface Finish | 32.0 MICROINCHES INNER |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.222 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-B-1005 FED SPEC 1ST MATERIAL RESPONSE OR QQ-C-390 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Material Thickness | 0.089 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.752 INCHES MINIMUM AND 1.753 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Hole Diameter | 1.500 INCHES MINIMUM AND 1.502 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 |
|---|---|
| 2528612 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-471-9124 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 9905-01-597-0157. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-471-9124: Surface Finish: 32.0 MICROINCHES TOP; Surface Finish: 32.0 MICROINCHES INNER; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.222 INCHES MINIMUM AND 0.223 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.