PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS17161-139Bearing,ball,thrust

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-00-156-1918 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-1918 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-1918. Primary manufacturer part number: MS17161-139.
Features
  • Bearing,ball,thrust — FSC 3110
  • Thrust Directional Capability Designation: SINGLE
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS
  • Surface Finish: GROUND
  • Alignment Type: RIGID
  • Overall Outside Diameter: 165.0 MILLIMETERS NOMINAL MM
  • Bore Smallest Diameter: 115.0 MILLIMETERS NOMINAL MM
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E51100 or Steel Comp E52100 Overall construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-156-1918, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-1918
Primary Part NumberMS17161-139
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thrust Directional Capability DesignationSINGLE
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR THRUST BEARINGS
Surface FinishGROUND
Alignment TypeRIGID
Overall Outside Diameter165.0 MILLIMETERS NOMINAL MM
Bore Smallest Diameter115.0 MILLIMETERS NOMINAL MM
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
Style DesignatorGROOVED RACE SURFACE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-036-249368-104PC12 INTERCHANGEABLE
Disk,valve
Derbyshire Machine & Tool Co
5340-00-455-4380 INTERCHANGEABLE
Striker,cab Door
5340-00-470-54181145F INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5315-00-484-67706449 INTERCHANGEABLE
Pin,grooved,headless
Triumph Engine Control Systems Llc
7510-01-048-6534 INTERCHANGEABLE
Screen,line Cut
5330-01-482-0399G14AX20DMV INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Cospolich Inc.
6515-01-561-1227AS15 INTERCHANGEABLE
Holder,drill Bit,surgical
Medtronic Powered Surgical Solutions Dba Medtronic Mitas Rex
2940-01-625-9199FIL 6449 INTERCHANGEABLE
Filter Element,intake Air Cleane
National Automotive Parts Assn/napa/
Cross-Reference Index
Part NumberManufacturer
MS17161-139 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1123F Skf Usa Inc. (USA)
803-2177518-16XX-34 Naval Ship Systems Command (USA)
72-6970-955 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
709657 Army Weapons Command Attn Amswe-Ree-S (USA)
A52491-139 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
923 Skf Usa Inc. (USA)
A-A-52491 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
923F Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
72-6970-955 Fairbanks Morse, Llc (USA)
1023 Federal-Mogul Corp Government Sales Dept (USA)
6449 Hyster-Yale Group, Inc. (USA)
N1823 Timken Co Div the Timken Company (USA)
1123 Abc Acquisition Company Dba Aetna Bearing Company (USA)
Related Parts
4820-00-036-2493INTERCHANGEABLE
DISK,VALVE
68-104PC12
5340-00-455-4380INTERCHANGEABLE
STRIKER,CAB DOOR
5340-00-470-5418INTERCHANGEABLE
KEY BLANK
1145F
5315-00-484-6770INTERCHANGEABLE
PIN,GROOVED,HEADLESS
6449
7510-01-048-6534INTERCHANGEABLE
SCREEN,LINE CUT
5330-01-482-0399INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
G14AX20DMV
6515-01-561-1227INTERCHANGEABLE
HOLDER,DRILL BIT,SURGICAL
AS15
2940-01-625-9199INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
FIL 6449

Frequently Asked Questions

What is NSN 3110-00-156-1918?

NSN 3110-00-156-1918 is a Bearing,ball,thrust, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-1918?

NSN 3110-00-156-1918 has 14 cross-referenced part numbers: MS17161-139 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 1123F (Skf Usa Inc.), 803-2177518-16XX-34 (Naval Ship Systems Command), 72-6970-955 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 709657 (Army Weapons Command Attn Amswe-Ree-S) and 9 more.

What NSN replaces 3110-00-156-1918?

There are 8 known substitutes for 3110-00-156-1918: 4820-00-036-2493, 5340-00-455-4380, 5340-00-470-5418 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS17161-139?

Key specifications for MS17161-139: Thrust Directional Capability Designation: SINGLE; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS; Surface Finish: GROUND; Alignment Type: RIGID. 10 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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