The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-403-3525, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-403-3525 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.628 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN |
| Material Thickness | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Recess Diameter | 1.462 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Hole Diameter | 1.440 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN |
| Recess Angle | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 4P53164-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-403-3525 is a Washer,shouldered and Recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-403-3525: Shoulder Height: 0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.628 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN. 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.