The Washer,recessed, cataloged under National Stock Number 5310-01-406-1233, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-406-1233 |
| Primary Part Number | CA2210-10W |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Recess Depth | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Material Thickness | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Recess Diameter | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.196 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 |
|---|---|
| 3M901A10W | The Boeing Company Div Defense (USA) |
| CA2210-10W PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 3M901-10W | 5/9 Secondary reference The Boeing Company Div Defense |
| CA21062-10W | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5310-01-406-1233 is a Washer,recessed, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-406-1233 has 2 manufacturer part numbers on file: 3M901A10W (The Boeing Company Div Defense), CA2210-10W (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA2210-10W: Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN; Recess Depth: 0.035 INCHES MINIMUM AND 0.045 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.