The Washer,recessed, cataloged under National Stock Number 5310-01-083-6496, 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8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-083-6496 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-S-8559 COND C-4 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7947 COND 1 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 COND C-1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Material Thickness | 0.065 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN |
| Recess Diameter | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Material | STEEL COMP 1095 OR STEEL COMP 4340 OVERALL |
| Hole Diameter | 0.328 INCHES NOMINAL IN |
| Recess Angle | 89.0 DEGREES MINIMUM AND 91.0 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 |
|---|---|
| 204-011-457-3 | 3/2 Design control — primary reference U.S. Government activity |
| 204-011-457-003 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-083-6496 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-083-6496: Style Designator: RECESSED; Material Document and Classification: MIL-S-8559 COND C-4 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7947 COND 1 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 COND C-1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.875 INCHES NOMINAL IN; Material Thickness: 0.065 INCHES MINIMUM AND 0.077 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.