The Washer,recessed, cataloged under National Stock Number 5310-01-351-3534, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-351-3534 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Hardness Rating | 56.0 ROCKWELL C MINIMUM |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Recess Diameter | 1.190 INCHES MINIMUM AND 1.210 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| Hole Diameter | 1.091 INCHES MINIMUM AND 1.093 INCHES MAXIMUM 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 |
|---|---|
| 750197 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-351-3534 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-351-3534: Hardness Rating: 56.0 ROCKWELL C MINIMUM; Style Designator: RECESSED; Material Document and Classification: AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.465 INCHES MINIMUM AND 1.485 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.