PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AC539Bearing,ball,airframe

Schatz Bearing Corporation Dba Schatz Bearing Corp · NSN 3110-00-142-4327 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4327 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4327. Primary manufacturer part number: AC539.
Features
  • Bearing,ball,airframe — FSC 3110
  • Load Direction: RADIAL
  • Outer Ring Width: 0.2500 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Inner Ring Width: 0.2810 INCHES NOMINAL IN
  • Bore Diameter: 0.7500 INCHES NOMINAL IN
  • Overall Outside Diameter: 1.1875 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 3110-00-142-4327, 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 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-142-4327
Primary Part NumberAC539
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchatz Bearing Corporation Dba Schatz Bearing Corp
StatusACTIVE
Load DirectionRADIAL
Outer Ring Width0.2500 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Inner Ring Width0.2810 INCHES NOMINAL IN
Bore Diameter0.7500 INCHES NOMINAL IN
Overall Outside Diameter1.1875 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-264-054210S0926 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Abm Equipment, Llc
5365-00-270-211611A8541 INTERCHANGEABLE
Spacer,ring
Napco International Llc Dba Napco International Inc
3110-00-555-5532058-5 INTERCHANGEABLE
Bearing,ball,annular
Northrop Grumman Systems Corporation
5915-00-630-4510 INTERCHANGEABLE
Filter,radio Frequency Interfere
4920-01-303-088492191 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6515-01-473-2059E078-AC539 INTERCHANGEABLE
Scope Connector
Pentax of America, Inc. Dba Pentax Medical Div Pentax Medical
Cross-Reference Index
Part NumberManufacturer
A539FS160 Timken Co Div the Timken Company (USA)
A539 Fag Bearings Corporation (USA)
A539 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
92191 White Motor Corp (USA)
AC539 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
A539FS160 Rbc Aircraft Products, Inc. (USA)
92191 Arma Div Ambac Industries Inc
Related Parts
5310-00-264-0542INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
10S0926
5365-00-270-2116INTERCHANGEABLE
SPACER,RING
11A8541
3110-00-555-5532INTERCHANGEABLE
BEARING,BALL,ANNULAR
058-5
5915-00-630-4510INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
4920-01-303-0884INTERCHANGEABLE
TEST PROGRAM SET
92191
6515-01-473-2059INTERCHANGEABLE
SCOPE CONNECTOR
E078-AC539

Frequently Asked Questions

What is NSN 3110-00-142-4327?

NSN 3110-00-142-4327 is a Bearing,ball,airframe, manufactured by Schatz Bearing Corporation Dba Schatz Bearing Corp, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4327?

NSN 3110-00-142-4327 has 7 cross-referenced part numbers: A539FS160 (Timken Co Div the Timken Company), A539 (Fag Bearings Corporation), A539 (Schatz Bearing Corporation Dba Schatz Bearing Corp), 92191 (White Motor Corp), AC539 (Schatz Bearing Corporation Dba Schatz Bearing Corp) and 2 more.

What NSN replaces 3110-00-142-4327?

There are 6 known substitutes for 3110-00-142-4327: 5310-00-264-0542, 5365-00-270-2116, 3110-00-555-5532 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AC539?

Key specifications for AC539: Load Direction: RADIAL; Outer Ring Width: 0.2500 INCHES NOMINAL IN; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Inner Ring Width: 0.2810 INCHES NOMINAL IN. 8 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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