The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-355-0022, 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9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-355-0022 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.027 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | ACS-514 FSC-01406 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Material Thickness | 0.193 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Shoulder Diameter | 2.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.580 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN |
| Recess Angle | 90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 0050295-5 | 5/9 Secondary reference U.S. Government activity |
| 050295 | 3/2 Design control — primary reference U.S. Government activity |
| 0050295 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-355-0022 is a Washer,shouldered and Recessed, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-530-0781. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-355-0022: Shoulder Height: 0.027 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: ACS-514 FSC-01406 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.500 INCHES NOMINAL IN. 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.