The Washer,recessed, cataloged under National Stock Number 5310-01-233-1414, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-233-1414 |
| 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 | 0.202 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.202 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| Top Recess Angle | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Material Thickness | 0.066 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Bottom Recess Angle | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM |
| Material | IRON ALLOY 660 OVERALL |
| Hole Diameter | 0.166 INCHES MINIMUM AND 0.172 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 |
|---|---|
| MS9768-08 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-233-1414 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-233-1414: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Top Recess Diameter: 0.202 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.202 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN. 13 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.