The Washer,key, cataloged under National Stock Number 5310-00-933-5940, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Timken Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-933-5940 |
| Primary Part Number | TW115 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 4.046 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 3.562 INCHES NOMINAL IN |
| Material Thickness | 0.095 INCHES NOMINAL IN |
| External Key Quantity | 19 |
| Internal Prebent Key Length | 0.187 INCHES NOMINAL IN |
| External Prebent Key Width | 0.313 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 2.973 INCHES MINIMUM AND 3.003 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 |
|---|---|
| TW115 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6-1-1953-36-16A | 5/9 Secondary reference Eidal International Corporation |
NSN 5310-00-933-5940 is a Washer,key, manufactured by The Timken Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-933-5940 has 1 manufacturer part number on file: TW115 (The Timken Corporation).
Key specifications for TW115: Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Overall Distance Including Keys: 4.046 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 3.562 INCHES NOMINAL IN. 10 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.