The Washer,recessed, cataloged under National Stock Number 5310-00-035-5309, 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 9 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 | 5310-00-035-5309 |
| Primary Part Number | 53-310104-19 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Heat Treatment | F-AS FABRICATED |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Recess Depth | 0.200 INCHES NOMINAL IN |
| Material Thickness | 0.2040 INCHES MINIMUM AND 0.2245 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Hole Diameter | 0.438 INCHES MINIMUM AND 0.445 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 |
| Part Number | Manufacturer |
|---|---|
| 53-310104-19 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-00-035-5309 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-035-5309 has 1 manufacturer part number on file: 53-310104-19 (The Boeing Company Div Defense).
Key specifications for 53-310104-19: Overall Height: 0.310 INCHES NOMINAL IN; Heat Treatment: F-AS FABRICATED; Style Designator: RECESSED; Material Document and Classification: QQ-A-225/9 FED SPEC 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.