The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-950-9391, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | The Timken Corporation (CAGE 60038); Federal-Mogul Corp Government Sales Dept (CAGE 01212); Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 3110-00-950-9391 |
| Primary Part Number | L225810 |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| L225810 PRIMARY | The Timken Corporation (USA) |
| L225810 | Federal-Mogul Corp Government Sales Dept (USA) |
| 5P890 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 4254054 | 5/9 Secondary reference U.S. Government activity |
| FF-B-187/01 | 4/1 Identification reference U.S. Government activity |
| FF-B-187/01-738 | 5/2 Secondary reference U.S. Government activity |
| 731359 | 5/9 Secondary reference Clark Equipment Co |
NSN 3110-00-950-9391 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-950-9391 has 3 manufacturer part numbers on file: L225810 (The Timken Corporation), L225810 (Federal-Mogul Corp Government Sales Dept), 5P890 (Caterpillar Inc Div Caterpillar Defense).
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.