PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KC3-2Bearing,ball,airframe

Timken Co Div the Timken Company · NSN 3110-00-142-4279 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4279 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4279. Primary manufacturer part number: KC3-2.
Features
  • Bearing,ball,airframe — FSC 3110
  • Bore Diameter: 0.1900 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Inner Ring Width: 0.2970 INCHES NOMINAL IN
  • Outer Ring Width: 0.2340 INCHES NOMINAL IN
  • Shield Quantity: 2
  • Surface Treatment: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting and Steel Shield construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4279, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-142-4279
Primary Part NumberKC3-2
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Bore Diameter0.1900 INCHES NOMINAL IN
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Inner Ring Width0.2970 INCHES NOMINAL IN
Outer Ring Width0.2340 INCHES NOMINAL IN
Shield Quantity2
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Overall Outside Diameter0.6250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING AND STEEL SHIELD
MaterialSTEEL OUTER RING
Surface TreatmentCADMIUM SHIELD
MaterialSTEEL INNER RING
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
MaterialSTEEL BALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-030-2902 INTERCHANGEABLE
Lead,storage Battery
3120-00-084-8479 INTERCHANGEABLE
Bushing,sleeve
9540-00-147-5167 INTERCHANGEABLE
Channel,structural
5310-00-167-13660422-014 INTERCHANGEABLE
Nut,plain,hexagon
Lockheed Martin Corporation Div Rms - Mitchel Field
5136-00-189-3218402290 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
3110-00-198-2169 INTERCHANGEABLE
Cone and Rollers,tapered Roller
6645-00-225-27354039 INTERCHANGEABLE
Wheel,third
Wakmann Watch Company Inc
5950-00-321-841910518 INTERCHANGEABLE
Transformer,power
Astronautics Corporation of America
5360-00-383-918107-852166 INTERCHANGEABLE
Spring,helical,compression
Tvh Parts Co.
2520-00-392-35362B4039 INTERCHANGEABLE
Shaft,transmission
Fwd Seagrave Holdings Lp
Cross-Reference Index
Part NumberManufacturer
KC3-2 Timken Co Div the Timken Company (USA)
SX0 Fag Bearings Corporation (USA)
U76443 Eastman Kodak Co (USA)
AN201K3AANG25 Joint Aircraft Committee (USA)
A3176H Ge Aviation Systems Llc (USA)
201K3A Aeronautical Standards Group Dept of Navy and Air Force (USA)
K3A Skf Industries Inc Nice Bearing Products Div (USA)
10518 Raytheon Technical Services Company (USA)
K3A Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
4039 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6058 Skf Usa Inc. (USA)
K3AANG25 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
K3A Timken Aerospace, Inc Dba Torrington Product (USA)
K3A Fag Bearings Corporation (USA)
K3A Skf Usa Inc. (USA)
10518 Cae Usa Inc. (USA)
SX00 Fag Bearings Corporation (USA)
4039 General Dynamics Corp (USA)
K3A Skf Usa Inc. (USA)
K3A Timken Co Div the Timken Company (USA)
Related Parts
6150-00-030-2902INTERCHANGEABLE
LEAD,STORAGE BATTERY
3120-00-084-8479INTERCHANGEABLE
BUSHING,SLEEVE
9540-00-147-5167INTERCHANGEABLE
CHANNEL,STRUCTURAL
5310-00-167-1366INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0422-014
5136-00-189-3218INTERCHANGEABLE
DIE,THREAD CUTTING
402290
3110-00-198-2169INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
6645-00-225-2735INTERCHANGEABLE
WHEEL,THIRD
4039
5950-00-321-8419INTERCHANGEABLE
TRANSFORMER,POWER
10518
5360-00-383-9181INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
07-852166
2520-00-392-3536INTERCHANGEABLE
SHAFT,TRANSMISSION
2B4039
5360-00-439-1366INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6058
5915-00-504-7772INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE

Frequently Asked Questions

What is NSN 3110-00-142-4279?

NSN 3110-00-142-4279 is a Bearing,ball,airframe, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4279?

NSN 3110-00-142-4279 has 21 cross-referenced part numbers: KC3-2 (Timken Co Div the Timken Company), SX0 (Fag Bearings Corporation), U76443 (Eastman Kodak Co), AN201K3AANG25 (Joint Aircraft Committee), A3176H (Ge Aviation Systems Llc) and 16 more.

What NSN replaces 3110-00-142-4279?

There are 12 known substitutes for 3110-00-142-4279: 6150-00-030-2902, 3120-00-084-8479, 9540-00-147-5167 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of KC3-2?

Key specifications for KC3-2: Bore Diameter: 0.1900 INCHES NOMINAL IN; Load Direction: RADIAL; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Inner Ring Width: 0.2970 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

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