The Washer,key, cataloged under National Stock Number 5310-00-209-2583, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-2583 |
| Primary Part Number | 2W11A12 |
| 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 | 0.282 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.688 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-636 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| External Straight Key Width | 0.250 INCHES NOMINAL IN |
| External Key Quantity | 4 |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.766 INCHES MINIMUM AND 0.776 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 |
|---|---|
| 2W11A12 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-00-209-2583 is a Washer,key, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-2583 has 1 manufacturer part number on file: 2W11A12 (The Boeing Company Div Legacy Am&m).
Key specifications for 2W11A12: Internal Straight Key Width: 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; External Straight Key Length: 0.282 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.688 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.