The Washer,recessed, cataloged under National Stock Number 5310-00-554-2395, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-554-2395 |
| Primary Part Number | 34D266 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Surface Finish | 80.0 MICROINCHES TOP |
| Surface Finish | 80.0 MICROINCHES BOTTOM |
| Top Recess Diameter | 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| Heat Treatment | AS FABRICATED |
| Top Recess Angle | 45.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Recess Depth | 0.023 INCHES NOMINAL IN |
| Material Thickness | 0.105 INCHES NOMINAL IN |
| Bottom Recess Angle | 45.0 DEGREES NOMINAL |
| Surface Treatment | SILVER OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.540 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 34D266 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5310-00-554-2395 is a Washer,recessed, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-554-2395 has 1 manufacturer part number on file: 34D266 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 34D266: Surface Finish: 80.0 MICROINCHES TOP; Surface Finish: 80.0 MICROINCHES BOTTOM; Top Recess Diameter: 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN. 15 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.