NSN 3110-01-641-5281 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-641-5281. Manufacturer of record part number: 131644.
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 3110-01-641-5281
NIIN: 016415281
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 131644
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-641-5281, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 3110-01-641-5281?
NSN 3110-01-641-5281 is a Bearing,roller,cylindrical, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-641-5281?
NSN 3110-01-641-5281 has 1 manufacturer part number on file: 131644 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 131644?
Key specifications for 131644: Part Name Assigned by Controlling Agency: ROLLER; End Item Identification: B651C. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-641-5281 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.