NSN 3110-01-381-0289 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-381-0289. Manufacturer of record part number: B128PS.
The Bearing,roller,needle, cataloged under National Stock Number 3110-01-381-0289, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 7 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.
Technical Specifications
Parameter
Value
NSN
3110-01-381-0289
Primary Part Number
B128PS
Item Name
Bearing,roller,needle
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Timken Aerospace, Inc Dba Torrington Product
Status
ACTIVE
Lubrication Material
GREASE
Surface Finish
GROUND
Style Designator
NON-SEPARABLE, OPEN END, DRAWN SHELL
Overall Outside Diameter
0.9995 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
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 3110-01-381-0289?
NSN 3110-01-381-0289 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-381-0289?
NSN 3110-01-381-0289 has 1 manufacturer part number on file: B128PS (Timken Aerospace, Inc Dba Torrington Product).
What are the specifications of B128PS?
Key specifications for B128PS: Lubrication Material: GREASE; Surface Finish: GROUND; Style Designator: NON-SEPARABLE, OPEN END, DRAWN SHELL; Overall Width: 0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-381-0289 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.