PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1905AS154-9Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-01-108-1173 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-108-1173 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-108-1173. Primary manufacturer part number: 1905AS154-9.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Backface Corner Radius: 0.0780 INCHES NOMINAL IN
  • Outside Diameter: 2.4375 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • 5 verified cross-references
  • Primary manufacturer: The Timken Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-01-108-1173, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN3110-01-108-1173
Primary Part Number1905AS154-9
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
Backface Corner Radius0.0780 INCHES NOMINAL IN
Outside Diameter2.4375 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-079-9901146-030-0006 INTERCHANGEABLE
Switch,rotary
Northrop Grumman Systems Corporation
2520-00-359-01063278T72 INTERCHANGEABLE
Spider,differential
Meritor Industrial Products, Llc
2940-00-360-395815381 INTERCHANGEABLE
Plunger,oil Pressure
Arvinmeritor Inc
5950-00-431-32039100-1641 INTERCHANGEABLE
Coil,radio Frequency
Keysight Technologies Inc
5365-00-919-2488 INTERCHANGEABLE
Shim
5910-01-086-7526152-4-3 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5940-01-088-685115243 INTERCHANGEABLE
Terminal Board
Keystone Electronics Corp
2520-01-163-1223 INTERCHANGEABLE
Universal Joint,vehicular
2915-01-208-8297H15243 INTERCHANGEABLE
Cover Plate,instruc
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
6150-01-491-396315243 INTERCHANGEABLE
Cable Assembly,power,electrical
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
Cross-Reference Index
Part NumberManufacturer
15243 The Timken Corporation (USA)
7450343 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
70478 Pettibone Mercury Corp (USA)
70478 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
1905AS154-9 PRIMARY The Timken Corporation (USA)
Related Parts
5930-00-079-9901INTERCHANGEABLE
SWITCH,ROTARY
146-030-0006
2520-00-359-0106INTERCHANGEABLE
SPIDER,DIFFERENTIAL
3278T72
2940-00-360-3958INTERCHANGEABLE
PLUNGER,OIL PRESSURE
15381
5950-00-431-3203INTERCHANGEABLE
COIL,RADIO FREQUENCY
9100-1641
5365-00-919-2488INTERCHANGEABLE
SHIM
5910-01-086-7526INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
152-4-3
5940-01-088-6851INTERCHANGEABLE
TERMINAL BOARD
15243
2520-01-163-1223INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
2915-01-208-8297INTERCHANGEABLE
COVER PLATE,INSTRUC
H15243
6150-01-491-3963INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
15243
6510-01-581-4714INTERCHANGEABLE
BANDAGE,GAUZE,SELF-ADHERENT
6240-01-664-1629INTERCHANGEABLE
LAMP,INCANDESCENT
15243

Frequently Asked Questions

What is NSN 3110-01-108-1173?

NSN 3110-01-108-1173 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-108-1173?

NSN 3110-01-108-1173 has 5 cross-referenced part numbers: 15243 (The Timken Corporation), 7450343 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 70478 (Pettibone Mercury Corp), 70478 (L3 Aviation Products, Inc. Dba L3 Technologies), 1905AS154-9 (The Timken Corporation).

What NSN replaces 3110-01-108-1173?

There are 12 known substitutes for 3110-01-108-1173: 5930-00-079-9901, 2520-00-359-0106, 2940-00-360-3958 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1905AS154-9?

Key specifications for 1905AS154-9: Standard Tolerance Designation: AFBMA CLASS 2; Backface Corner Radius: 0.0780 INCHES NOMINAL IN; Overall Width: 0.5625 INCHES NOMINAL IN; Outside Diameter: 2.4375 INCHES NOMINAL IN. 6 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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