The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-01-138-1371, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ntn-Bower Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-138-1371 |
| Primary Part Number | 11628997-2 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ntn-Bower Corp |
| Status | ACTIVE |
| Cone Corner Radius | 0.1400 INCHES MAXIMUM IN |
| Cone Width | 0.9688 INCHES NOMINAL IN |
| Bore Diameter | 2.2500 INCHES MINIMUM AND 2.2505 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 |
|---|---|
| 11628997-2 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 11628997-2 PRIMARY | Ntn-Bower Corp (USA) |
| 11628997-2 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10383844 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 11628997 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3110-01-138-1371 is a Cone and Rollers,tapered Roller, manufactured by Ntn-Bower Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-138-1371 has 3 manufacturer part numbers on file: 11628997-2 (U S Army Tank Automotive Command Amsta-Im-Mm), 11628997-2 (Ntn-Bower Corp), 11628997-2 (The Timken Corporation).
Key specifications for 11628997-2: Cone Corner Radius: 0.1400 INCHES MAXIMUM IN; Cone Width: 0.9688 INCHES NOMINAL IN; Bore Diameter: 2.2500 INCHES MINIMUM AND 2.2505 INCHES MAXIMUM IN. 3 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.