PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

I162020Ring,bearing,inner

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-198-1392 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-198-1392 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-198-1392. Primary manufacturer part number: I162020.
Features
  • Ring,bearing,inner — FSC 3110
  • Overall Outside Diameter: 1.2485 INCHES MINIMUM AND 1.2491 INCHES MAXIMUM IN
  • Material: STEEL COMP E4340H OR STEEL COMP 4720 OR STEEL COMP 8620 OR STEEL COMP 8720 OR STEEL COMP 1018 OR STEEL COMP 1117 OR STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
  • Style Designator: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Material Document and Classification: SAE FED STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Bore Diameter: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E4340h or Steel Comp 4720 or Steel Comp 8620 or Steel Comp 8720 or Steel Comp 1018 or Steel Comp 1117 or Steel Comp E51100 or Steel Comp E52100 Overall construction
General Description

The Ring,bearing,inner, cataloged under National Stock Number 3110-00-198-1392, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-198-1392
Primary Part NumberI162020
Item NameRing,bearing,inner
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusCANCELLED
Overall Outside Diameter1.2485 INCHES MINIMUM AND 1.2491 INCHES MAXIMUM IN
MaterialSTEEL COMP E4340H OR STEEL COMP 4720 OR STEEL COMP 8620 OR STEEL COMP 8720 OR STEEL COMP 1018 OR STEEL COMP 1117 OR STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
Style DesignatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
Bore ShapeSTRAIGHT
Surface FinishGROUND
Material Document and ClassificationSAE FED STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
Bore Diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
8145-00-305-184324590 INTERCHANGEABLE
Container Assembly,shipping-Stor
Triumph Engine Control Systems Llc
5330-00-354-218676038A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
3020-01-283-7222PA00-24590 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
6515-01-461-2622CH6081 INTERCHANGEABLE
Clamp,artery
Cardinal Health
Cross-Reference Index
Part NumberManufacturer
I162020 Timken Aerospace, Inc Dba Torrington Product (USA)
MI16 Mcgill Manufacturing Co, Inc (USA)
NB1R Baughman Mfg Co (USA)
PI 162020 Ina Bearing Co Inc (USA)
IR162020 Timken Aerospace, Inc Dba Torrington Product (USA)
IR7235 Rbc Bearings Incorporated Div West Trenton Division (USA)
308813R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
24590 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
MS51962-11 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MI16 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
308813R1 Komatsu American Intl Co (USA)
Related Parts
8145-00-305-1843INTERCHANGEABLE
CONTAINER ASSEMBLY,SHIPPING-STOR
24590
5330-00-354-2186INTERCHANGEABLE
GASKET
76038A
3020-01-283-7222INTERCHANGEABLE
GEAR,SPUR
PA00-24590
6515-01-461-2622INTERCHANGEABLE
CLAMP,ARTERY
CH6081

Frequently Asked Questions

What is NSN 3110-00-198-1392?

NSN 3110-00-198-1392 is a Ring,bearing,inner, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-198-1392?

NSN 3110-00-198-1392 has 11 cross-referenced part numbers: I162020 (Timken Aerospace, Inc Dba Torrington Product), MI16 (Mcgill Manufacturing Co, Inc), NB1R (Baughman Mfg Co), PI 162020 (Ina Bearing Co Inc), IR162020 (Timken Aerospace, Inc Dba Torrington Product) and 6 more.

What NSN replaces 3110-00-198-1392?

There are 4 known substitutes for 3110-00-198-1392: 8145-00-305-1843, 5330-00-354-2186, 3020-01-283-7222 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of I162020?

Key specifications for I162020: Special Features: ONE TO FOUR OIL HOLES; OIL GROOVE OPTIONAL; Overall Outside Diameter: 1.2485 INCHES MINIMUM AND 1.2491 INCHES MAXIMUM IN; Material: STEEL COMP E4340H OR STEEL COMP 4720 OR STEEL COMP 8620 OR STEEL COMP 8720 OR STEEL COMP 1018 OR STEEL COMP 1117 OR STEEL COMP E51100 OR STEEL COMP E52100 OVERALL; Style Designator: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-198-1392 still in active supply?

NSN 3110-00-198-1392 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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