PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AC544Bearing,ball,airframe

Schatz Bearing Corporation Dba Schatz Bearing Corp · NSN 3110-00-142-4338 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4338 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4338. Primary manufacturer part number: AC544.
Features
  • Bearing,ball,airframe — FSC 3110
  • Inner Ring Width: 0.2810 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Outer Ring Width: 0.2500 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
  • Overall Outside Diameter: 2.2500 INCHES NOMINAL IN
  • Bore Diameter: 1.8125 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4338, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schatz Bearing Corporation Dba Schatz Bearing Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-142-4338
Primary Part NumberAC544
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchatz Bearing Corporation Dba Schatz Bearing Corp
StatusCANCELLED
Inner Ring Width0.2810 INCHES NOMINAL IN
Load DirectionRADIAL
Outer Ring Width0.2500 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter2.2500 INCHES NOMINAL IN
Bore Diameter1.8125 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3455-00-232-904058-10133 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4730-00-350-6991 INTERCHANGEABLE
Adapter Bushing
2805-00-528-638115510 INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
2510-00-737-1056A544 INTERCHANGEABLE
Hanger,spring,vehicle
Am General Llc
6145-00-806-53338916-5 INTERCHANGEABLE
Wire,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
4730-01-051-467489165 INTERCHANGEABLE
Plug,pipe
L3harris Technologies, Inc Div Space & Airborne Systems
2510-01-168-68408916-5 INTERCHANGEABLE
Fifth Wheel,bolster
Chief of Engineers Dept of Army
6135-01-268-2151152-99-5341 INTERCHANGEABLE
Battery,nonrechargeable
Emcee Electronics, Inc.
6140-01-334-0724849AS103 INTERCHANGEABLE
Battery,storage
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
A544FS50174S Timken Co Div the Timken Company (USA)
8916-5 Arma Div Ambac Industries Inc
281479-61 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
12Z336-18 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A544 Fag Bearings Corporation (USA)
600067P2 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
AC544 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
A544 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
41SA909-1 Andrea Electronics Corporation (USA)
A544FS160 Timken Co Div the Timken Company (USA)
Related Parts
3455-00-232-9040INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10133
4730-00-350-6991INTERCHANGEABLE
ADAPTER BUSHING
2805-00-528-6381INTERCHANGEABLE
VALVE,POPPET,ENGINE
15510
2510-00-737-1056INTERCHANGEABLE
HANGER,SPRING,VEHICLE
A544
6145-00-806-5333INTERCHANGEABLE
WIRE,ELECTRICAL
8916-5
4730-01-051-4674INTERCHANGEABLE
PLUG,PIPE
89165
2510-01-168-6840INTERCHANGEABLE
FIFTH WHEEL,BOLSTER
8916-5
6135-01-268-2151INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
152-99-5341
6140-01-334-0724INTERCHANGEABLE
BATTERY,STORAGE
849AS103

Frequently Asked Questions

What is NSN 3110-00-142-4338?

NSN 3110-00-142-4338 is a Bearing,ball,airframe, manufactured by Schatz Bearing Corporation Dba Schatz Bearing Corp, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-142-4338?

NSN 3110-00-142-4338 has 10 cross-referenced part numbers: A544FS50174S (Timken Co Div the Timken Company), 8916-5 (Arma Div Ambac Industries Inc), 281479-61 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 12Z336-18 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), A544 (Fag Bearings Corporation) and 5 more.

What NSN replaces 3110-00-142-4338?

There are 9 known substitutes for 3110-00-142-4338: 3455-00-232-9040, 4730-00-350-6991, 2805-00-528-6381 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AC544?

Key specifications for AC544: Inner Ring Width: 0.2810 INCHES NOMINAL IN; Load Direction: RADIAL; Outer Ring Width: 0.2500 INCHES NOMINAL IN; Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-142-4338 still in active supply?

NSN 3110-00-142-4338 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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