The Washer,key, cataloged under National Stock Number 5310-01-196-5536, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-196-5536 |
| Primary Part Number | K91517 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Internal Straight Key Width | 0.353 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 1.540 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 4.625 INCHES NOMINAL IN |
| Material Thickness | 0.218 INCHES NOMINAL IN |
| Hole Diameter | 3.395 INCHES MINIMUM AND 3.425 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 |
|---|---|
| K91517 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| K 91517 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-196-5536 is a Washer,key, manufactured by The Timken Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-196-5536 has 1 manufacturer part number on file: K91517 (The Timken Corporation).
Key specifications for K91517: Internal Straight Key Width: 0.353 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 1.540 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 4.625 INCHES NOMINAL IN. 6 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.