The Washer,key, cataloged under National Stock Number 5310-01-476-9912, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-476-9912 |
| Primary Part Number | 74A400967-2003 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Distance From Centerline to End of Longest Key | 0.855 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR KEY |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| External Prebent Key Width | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Hole Diameter | 0.191 INCHES MINIMUM AND 0.197 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 |
|---|---|
| 74A400967-2003 | Goodrich Corporation (USA) |
| 74A400967-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74A400967-2003 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 5310-01-476-9912 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-476-9912 has 2 manufacturer part numbers on file: 74A400967-2003 (Goodrich Corporation), 74A400967-2003 (The Boeing Company Div Defense).
Key specifications for 74A400967-2003: Distance From Centerline to End of Longest Key: 0.855 INCHES NOMINAL IN; Style Designator: RECTANGULAR KEY; Outside Diameter: 0.500 INCHES NOMINAL IN; Material Thickness: 0.063 INCHES NOMINAL IN. 7 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.