The Washer,key, cataloged under National Stock Number 5310-00-286-9667, 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 Legacy Am&m. Government technical data includes 14 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 | 5310-00-286-9667 |
| Primary Part Number | 2W11A9 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Internal Straight Key Width | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| External Straight Key Length | 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.219 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 1.312 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| External Straight Key Width | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| External Key Quantity | 4 |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.578 INCHES MINIMUM AND 0.588 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 |
|---|---|
| 2W11A9 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-00-286-9667 is a Washer,key, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-286-9667 has 1 manufacturer part number on file: 2W11A9 (The Boeing Company Div Legacy Am&m).
Key specifications for 2W11A9: Internal Straight Key Width: 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; External Straight Key Length: 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.219 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 14 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.