The Washer,recessed, cataloged under National Stock Number 5310-01-009-1293, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-009-1293 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Top Recess Diameter | 0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Top Recess Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | AMS4911 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Material Thickness | 0.064 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Bottom Recess Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |
| Material | TITANIUM ALLOY OVERALL |
| Hole Diameter | 0.165 INCHES MINIMUM AND 0.169 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 |
|---|---|
| 4047149 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 4047149 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5310-01-009-1293 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-009-1293: Top Recess Diameter: 0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Top Recess Angle: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM; Style Designator: RECESSED BOTH SIDES. 10 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.