The Bearing,roller,thrust, cataloged under National Stock Number 3110-01-004-5069, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-004-5069 |
| Primary Part Number | T451 |
| Item Name | Bearing,roller,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Surface Finish | GROUND |
| Style Designator | TAPERED ROLLERS, BANDED OD |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 9.8750 INCHES MINIMUM AND 9.8751 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Bore Diameter | 4.5000 INCHES MINIMUM AND 4.5001 INCHES MAXIMUM IN |
| Material | STEEL COMP 5140 ROLLER |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL COMP 5140 WASHER |
| 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 |
|---|---|
| J-2-4-12 | Bird-Johnson Propeller Company, Llc (USA) |
| T451 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 115657001PC39 | 5/9 Secondary reference Bird-Johnson Propeller Company, Llc |
| 3110PL0732104 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 45TTHD020 | 5/9 Secondary reference The Timken Corporation |
| T-451 TYPE TTHD | C/1 Advisory reference — outside the item-of-supply concept The Timken Corporation |
NSN 3110-01-004-5069 is a Bearing,roller,thrust, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-004-5069 has 2 manufacturer part numbers on file: J-2-4-12 (Bird-Johnson Propeller Company, Llc), T451 (The Timken Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 7510-01-171-3471, 3110-01-269-9963. Verify interchangeability with system specifications before substitution.
Key specifications for T451: Retainer Fabrication Method: MACHINED; Overall Height: 2.1100 INCHES MINIMUM AND 2.1400 INCHES MAXIMUM IN; Surface Finish: GROUND; Style Designator: TAPERED ROLLERS, BANDED OD. 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.