The Washer,shouldered, cataloged under National Stock Number 5310-01-490-3552, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-490-3552 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.110 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Shoulder Diameter | 0.842 INCHES MINIMUM AND 0.845 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 321 OVERALL |
| Hole Diameter | 0.760 INCHES NOMINAL 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 |
|---|---|
| 5HE73351-113 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-490-3552 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-490-3552: Overall Height: 0.235 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.110 INCHES NOMINAL IN; Style Designator: SHOULDERED. 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.