The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-351-5644, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-351-5644 |
| Primary Part Number | TS2586-2523 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 2.7500 INCHES MINIMUM AND 2.7500 INCHES MINIMUM AND 2.7505 INCHES MAXIMUM2.7505 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.0500 INCHES NOMINAL0.0500 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL0.1400 INCHES NOMINAL IN |
| Standout Width | 0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL IN |
| Cone Width | 0.9983 INCHES NOMINAL0.9983 INCHES NOMINAL IN |
| Bore Diameter | 1.1810 INCHES MINIMUM AND 1.1810 INCHES MINIMUM AND 1.1815 INCHES MAXIMUM1.1815 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 |
|---|---|
| TS2586-2523 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3237593 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| TS2586-2523-CL0 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3110-01-351-5644 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-351-5644 has 1 manufacturer part number on file: TS2586-2523 (The Timken Corporation).
Key specifications for TS2586-2523: Cup Width: 0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE; Overall Width: 0.9295 INCHES MINIMUM AND 0.9295 INCHES MINIMUM AND 0.9455 INCHES MAXIMUM0.9455 INCHES MAXIMUM IN; Overall Outside Diameter: 2.7500 INCHES MINIMUM AND 2.7500 INCHES MINIMUM AND 2.7505 INCHES MAXIMUM2.7505 INCHES MAXIMUM IN. 8 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.