NSN 3110-01-231-0191 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-231-0191. Manufacturer of record part number: VTB02251.
Rolling Element Diameter: 0.5625 INCHES NOMINAL IN
Crown Radius: 0.3438 INCHES NOMINAL IN
Style Designator: SPHERICAL ROLLER, FLAT ENDS
Material: STEEL CORROSION RESISTING OVERALL
1 manufacturer part number on file
Manufacturer of record: Valley-Todeco, Inc. Dba Arconic Fastening Systems
Identification
NSN: 3110-01-231-0191
NIIN: 012310191
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: VTB02251
Manufacturer: Valley-Todeco, Inc. Dba Arconic Fastening Systems
General Description
The Roller,bearing, cataloged under National Stock Number 3110-01-231-0191, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 4 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. Current acquisition status: Active.
Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA)
No interchangeability data on file.
Other items in FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1938
BEARING,BALL,AIRFRAME
3110-00-001-4661
CONE AND ROLLERS,TAPERED ROLLER
3110-00-001-4662
CUP,TAPERED ROLLER BEARING
3110-00-001-4689
BEARING,BALL,ANNULAR
3110-00-001-4722
BEARING,BALL,ANNULAR
Frequently Asked Questions
What is NSN 3110-01-231-0191?
NSN 3110-01-231-0191 is a Roller,bearing, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-231-0191?
NSN 3110-01-231-0191 has 1 manufacturer part number on file: VTB02251 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
What are the specifications of VTB02251?
Key specifications for VTB02251: Rolling Element Diameter: 0.5625 INCHES NOMINAL IN; Crown Radius: 0.3438 INCHES NOMINAL IN; Style Designator: SPHERICAL ROLLER, FLAT ENDS; Overall Length: 0.6875 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-231-0191 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.