The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-252-6784, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-252-6784 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Material Thickness | 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.501 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN |
| Recess Diameter | 1.240 INCHES NOMINAL IN |
| Test Data Document | 36659-LC+72-1068 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Hole Diameter | 1.080 INCHES NOMINAL 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 |
|---|---|
| 728968-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-252-6784 is a Washer,shouldered and Recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-252-6784: Shoulder Height: 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Outside Diameter: 1.750 INCHES NOMINAL IN; Material Thickness: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM 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.