The Washer,shouldered, cataloged under National Stock Number 5310-01-006-2437, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-006-2437 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.024 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-F-1148,GRADE CH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Material Thickness | 0.024 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Material | CELLULOSE OVERALL |
| Hole Diameter | 0.372 INCHES MINIMUM AND 0.382 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 |
|---|---|
| 5604-31 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-006-2437 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-266-3182. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-006-2437: Shoulder Height: 0.024 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: MIL-F-1148,GRADE CH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN. 8 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.