The Washer,recessed, cataloged under National Stock Number 5310-01-259-9295, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-259-9295 |
| Primary Part Number | 75A353088-2001 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Recess Diameter | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN |
| Recess Angle | 99.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 75A353088-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A353088-2001 | C/1 Advisory reference — outside the item-of-supply concept Avalon Machine Products Inc |
NSN 5310-01-259-9295 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-259-9295 has 1 manufacturer part number on file: 75A353088-2001 (The Boeing Company Div Defense).
Key specifications for 75A353088-2001: Style Designator: RECESSED; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.625 INCHES NOMINAL IN; Material Thickness: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 8 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.