The Washer,recessed, cataloged under National Stock Number 5310-00-129-9035, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-129-9035 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Radius | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.517 INCHES MINIMUM AND 4.522 INCHES MAXIMUM IN |
| Material Thickness | 0.105 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN |
| Recess Diameter | 3.610 INCHES MINIMUM AND 3.630 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 3.370 INCHES MINIMUM AND 3.375 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 |
|---|---|
| CL31409-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-129-9035 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-129-9035: Radius: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN; Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM; Style Designator: RECESSED BOTH SIDES; Material Document and Classification: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.