The Washer,key, cataloged under National Stock Number 5310-01-122-4732, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-122-4732 |
| Primary Part Number | 74A410732-2001 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Internal Straight Key Width | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Wire Hole Diameter | 0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Distance From Centerline to Inside of Prebent Key | 0.530 INCHES NOMINAL IN |
| Distance From Key Center to Wire Hole Center | 0.120 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/9,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9,TEMPER T7351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,TEMPER T73510 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,TEMPER T73511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.970 INCHES NOMINAL IN |
| Material Thickness | 0.100 INCHES NOMINAL IN |
| Distance From Centerline to End of Key | 0.750 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 0.565 INCHES MINIMUM AND 0.570 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 |
|---|---|
| 74A410732-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10109392 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410732-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-01-122-4732 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-122-4732 has 1 manufacturer part number on file: 74A410732-2001 (The Boeing Company Div Defense).
Key specifications for 74A410732-2001: Internal Straight Key Width: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Wire Hole Diameter: 0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Distance From Centerline to Inside of Prebent Key: 0.530 INCHES NOMINAL IN; Distance From Key Center to Wire Hole Center: 0.120 INCHES NOMINAL IN. 12 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.