The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-468-6840, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-468-6840 |
| Primary Part Number | C311740 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Cup Width | 1.9245 INCHES MINIMUM AND 1.9505 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 12.3750 INCHES MINIMUM AND 12.3770 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.1300 INCHES NOMINAL IN |
| Cone Corner Radius | 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Standout Width | 5.0000 INCHES NOMINAL IN |
| Cone Width | 2.4325 INCHES MINIMUM AND 2.4425 INCHES MAXIMUM IN |
| Bore Diameter | 0.6675 INCHES MINIMUM AND 0.6685 INCHES MAXIMUM IN |
| Material | STEEL SEPARATOR SLUG |
| 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 |
|---|---|
| C311740 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| C311740 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 3110-01-468-6840 is a Bearing,roller,tapered, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-468-6840 has 1 manufacturer part number on file: C311740 (Control Flow, Inc. Dba Control Flow Inc).
Key specifications for C311740: Cup Width: 1.9245 INCHES MINIMUM AND 1.9505 INCHES MAXIMUM IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 2.4275 INCHES MINIMUM AND 2.4515 INCHES MAXIMUM IN; Overall Outside Diameter: 12.3750 INCHES MINIMUM AND 12.3770 INCHES MAXIMUM IN. 9 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.