PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-12121Bearing,roller,needle

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-01-489-1050 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-489-1050 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-489-1050. Primary manufacturer part number: M-12121.
Features
  • Bearing,roller,needle — FSC 3110
  • 3 verified cross-references
  • Primary manufacturer: Timken Aerospace, Inc Dba Torrington Product
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-01-489-1050, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,roller,needle
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersNaval Sea Systems Command (CAGE 53711); Timken Aerospace, Inc Dba Torrington Product (CAGE 60380)
Technical Specifications
ParameterValue
NSN3110-01-489-1050
Primary Part NumberM-12121
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6695-00-506-0070M1212 INTERCHANGEABLE
Holder,jewel Bearing
Aerosonic Llc
5315-01-476-614436-01-7808 INTERCHANGEABLE
Pin,straight,headless
Electric Boat Corporation Div General Dynamics Electric Boat
3130-01-477-0578254-7015355PN13 INTERCHANGEABLE
Housing,bearing Unit
Naval Sea Systems Command
3130-01-477-0580H7493901-49 INTERCHANGEABLE
Housing,bearing Unit
Electric Boat Corporation Div General Dynamics Electric Boat
3110-01-477-0589254-7015355PN48 INTERCHANGEABLE
Plate,retaining,bearing
Naval Sea Systems Command
5342-01-477-76137015355PN47 INTERCHANGEABLE
Bellows,protection
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
254-7015355PN28 Naval Sea Systems Command (USA)
254-7015355 Naval Sea Systems Command (USA)
M-12121 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
Related Parts
6695-00-506-0070INTERCHANGEABLE
HOLDER,JEWEL BEARING
M1212
5315-01-476-6144INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
36-01-7808
3130-01-477-0578INTERCHANGEABLE
HOUSING,BEARING UNIT
254-7015355PN13
3130-01-477-0580INTERCHANGEABLE
HOUSING,BEARING UNIT
H7493901-49
3110-01-477-0589INTERCHANGEABLE
PLATE,RETAINING,BEARING
254-7015355PN48
5342-01-477-7613INTERCHANGEABLE
BELLOWS,PROTECTION
7015355PN47

Frequently Asked Questions

What is NSN 3110-01-489-1050?

NSN 3110-01-489-1050 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-489-1050?

NSN 3110-01-489-1050 has 3 cross-referenced part numbers: 254-7015355PN28 (Naval Sea Systems Command), 254-7015355 (Naval Sea Systems Command), M-12121 (Timken Aerospace, Inc Dba Torrington Product).

What NSN replaces 3110-01-489-1050?

There are 6 known substitutes for 3110-01-489-1050: 6695-00-506-0070, 5315-01-476-6144, 3130-01-477-0578 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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