PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3538FS113Bearing,ball,airframe

Timken Co Div the Timken Company · NSN 3110-00-227-2503 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-2503 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-2503. Primary manufacturer part number: 3538FS113.
Features
  • Bearing,ball,airframe — FSC 3110
  • Overall Outside Diameter: 1.0610 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
  • Bore Diameter: 0.6247 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN
  • Inner Ring Width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
  • Lubrication Material: GREASE
  • Load Direction: RADIAL
  • Outer Ring Width: 0.2500 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-227-2503, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-227-2503
Primary Part Number3538FS113
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Overall Outside Diameter1.0610 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
Bore Diameter0.6247 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN
Inner Ring Width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
Lubrication MaterialGREASE
Load DirectionRADIAL
Outer Ring Width0.2500 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL OVERALL
Style DesignatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6685-00-828-5679 INTERCHANGEABLE
Gage,pressure,dial Indicating
2915-00-953-495876286 INTERCHANGEABLE
Block Assembly
Triumph Engine Control Systems Llc
4730-01-255-6366 INTERCHANGEABLE
Primer,exhaust
Cross-Reference Index
Part NumberManufacturer
3538FS113 PRIMARY Timken Co Div the Timken Company (USA)
679409PC286121 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
286121 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
2200-3107718ALT1PC348 PRIMARY Naval Ship Systems Command (USA)
FAFB538FS113 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
B538FS113 Timken Co Div the Timken Company (USA)
B538FS50113 Timken Co Div the Timken Company (USA)
B538FS15241 Timken Co Div the Timken Company (USA)
2200-3123473PC286121 PRIMARY Naval Ship Systems Command (USA)
76286 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
B538X05B000014S8079 Skf Usa Inc. (USA)
B538FS10113 Timken Co Div the Timken Company (USA)
Related Parts
6685-00-828-5679INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2915-00-953-4958INTERCHANGEABLE
BLOCK ASSEMBLY
76286
4730-01-255-6366INTERCHANGEABLE
PRIMER,EXHAUST

Frequently Asked Questions

What is NSN 3110-00-227-2503?

NSN 3110-00-227-2503 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 3110-00-227-2503?

NSN 3110-00-227-2503 has 12 cross-referenced part numbers: 3538FS113 (Timken Co Div the Timken Company), 679409PC286121 (Lockheed Martin Corporation Div Rms - Mitchel Field), 286121 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2200-3107718ALT1PC348 (Naval Ship Systems Command), FAFB538FS113 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 7 more.

What NSN replaces 3110-00-227-2503?

There are 3 known substitutes for 3110-00-227-2503: 6685-00-828-5679, 2915-00-953-4958, 4730-01-255-6366. Verify interchangeability with system specifications before substitution.

What are the specifications of 3538FS113?

Key specifications for 3538FS113: Overall Outside Diameter: 1.0610 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN; Bore Diameter: 0.6247 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN; Inner Ring Width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN; Lubrication Material: GREASE. 9 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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