The Washer,recessed, cataloged under National Stock Number 5310-01-272-4833, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-272-4833 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Top Recess Diameter | 4.036 INCHES MINIMUM AND 4.037 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 4.036 INCHES MINIMUM AND 4.037 INCHES MAXIMUM IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | QQ-S-635 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Material Thickness | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL COMP 1009 OR STEEL COMP 1020 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OVERALL |
| Hole Diameter | 3.936 INCHES MINIMUM AND 3.937 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 |
|---|---|
| 4847481 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-272-4833 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-272-4833: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Top Recess Diameter: 4.036 INCHES MINIMUM AND 4.037 INCHES MAXIMUM IN; Bottom Recess Diameter: 4.036 INCHES MINIMUM AND 4.037 INCHES MAXIMUM IN. 12 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.