PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1975Bearing,ball,thrust

Abc Acquisition Company Dba Aetna Bearing Company · NSN 3110-00-142-0253 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-0253 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-0253. Primary manufacturer part number: A1975.
Features
  • Bearing,ball,thrust — FSC 3110
  • Bore Smallest Diameter: 1.2550 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS
  • Style Designator: GROOVED RACE SURFACE, BANDED OD
  • Surface Finish: GROUND
  • Alignment Type: RIGID
  • Thrust Directional Capability Designation: SINGLE
  • Overall Outside Diameter: 2.5938 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-142-0253, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Abc Acquisition Company Dba Aetna Bearing Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-142-0253
Primary Part NumberA1975
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAbc Acquisition Company Dba Aetna Bearing Company
StatusCANCELLED
Bore Smallest Diameter1.2550 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR THRUST BEARINGS
Style DesignatorGROOVED RACE SURFACE, BANDED OD
Surface FinishGROUND
Alignment TypeRIGID
Thrust Directional Capability DesignationSINGLE
Overall Outside Diameter2.5938 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2530-00-521-53055215305 INTERCHANGEABLE
Plate
U S Army Tank Automotive Command Amsta-Im-Mm
5985-01-283-250810513381 INTERCHANGEABLE
Cover,antenna Element
General Dynamics Land Systems Canadacorp
8455-01-570-7902 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-570-7981 INTERCHANGEABLE
Insignia,shoulder Sleeve
5999-01-632-7189A1975 INTERCHANGEABLE
Contact,electrical
Rolls-Royce Corporation
8455-01-660-7235 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-717-6188 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
N1535 Skf Usa Inc. (USA)
A1975 PRIMARY Abc Acquisition Company Dba Aetna Bearing Company (USA)
AT31 Automotive Thrust Bearing Corp (USA)
067996 PRIMARY Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA)
N1535 Skf Industries Inc Nice Bearing Products Div (USA)
N1535 Bunting Bearings Corp (USA)
8344115 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
2530-00-521-5305INTERCHANGEABLE
PLATE
5215305
5985-01-283-2508INTERCHANGEABLE
COVER,ANTENNA ELEMENT
10513381
8455-01-570-7902INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-570-7981INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5999-01-632-7189INTERCHANGEABLE
CONTACT,ELECTRICAL
A1975
8455-01-660-7235INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-717-6188INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 3110-00-142-0253?

NSN 3110-00-142-0253 is a Bearing,ball,thrust, manufactured by Abc Acquisition Company Dba Aetna Bearing Company, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-142-0253?

NSN 3110-00-142-0253 has 7 cross-referenced part numbers: N1535 (Skf Usa Inc.), A1975 (Abc Acquisition Company Dba Aetna Bearing Company), AT31 (Automotive Thrust Bearing Corp), 067996 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), N1535 (Skf Industries Inc Nice Bearing Products Div) and 2 more.

What NSN replaces 3110-00-142-0253?

There are 7 known substitutes for 3110-00-142-0253: 2530-00-521-5305, 5985-01-283-2508, 8455-01-570-7902 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1975?

Key specifications for A1975: Bore Smallest Diameter: 1.2550 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS; Style Designator: GROOVED RACE SURFACE, BANDED OD; Surface Finish: GROUND. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-142-0253 still in active supply?

NSN 3110-00-142-0253 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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