PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0374-3Bearing,ball,annular

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 3110-00-227-3038 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-3038 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-3038. Primary manufacturer part number: 0374-3.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.1875 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Retainer Fabrication Method: PRESSED
  • Standard Tolerance Designation: ABEC NO.5
  • Surface Finish: GROUND
  • Lubrication Material: GREASE
  • Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-227-3038, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 13 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-227-3038
Primary Part Number0374-3
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Bore Diameter0.1875 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.5
Surface FinishGROUND
Lubrication MaterialGREASE
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Load DirectionRADIAL
Shield Quantity2
Bore ShapeSTRAIGHT
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter0.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-005-59972818883 INTERCHANGEABLE
Bearing
Lockheed Martin Corporation Div Rms - Manassas
3110-00-208-0055S3KDD5 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
6520-00-431-415203743 INTERCHANGEABLE
Support,face Bow Bite Fork,denta
Whip-Mix Corp
3110-00-728-096303-6013-02 INTERCHANGEABLE
Bearing,ball,annular
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
3110-00-935-563077R3RB19017 INTERCHANGEABLE
Bearing,ball,annular
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
5950-01-116-0361905809-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
33KDD5 Torrington Company Ltd (GBR)
0374-3 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
77R3 General Motors Corp Delco Moraine Ndh Div (USA)
33KDD5 Timken Co Div the Timken Company (USA)
2360-1117 Airco Welding Products Div of Boc Group Inc Cutting Machine Dept (USA)
1057253 H & E Venture, Llc (USA)
SMD511666-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
3110-00-005-5997INTERCHANGEABLE
BEARING
2818883
3110-00-208-0055INTERCHANGEABLE
BEARING,BALL,ANNULAR
S3KDD5
6520-00-431-4152INTERCHANGEABLE
SUPPORT,FACE BOW BITE FORK,DENTA
03743
3110-00-728-0963INTERCHANGEABLE
BEARING,BALL,ANNULAR
03-6013-02
3110-00-935-5630INTERCHANGEABLE
BEARING,BALL,ANNULAR
77R3RB19017
5950-01-116-0361INTERCHANGEABLE
TRANSFORMER,POWER
905809-1

Frequently Asked Questions

What is NSN 3110-00-227-3038?

NSN 3110-00-227-3038 is a Bearing,ball,annular, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-227-3038?

NSN 3110-00-227-3038 has 7 cross-referenced part numbers: 33KDD5 (Torrington Company Ltd), 0374-3 (Lockheed Martin Corporation Div Rms - Mitchel Field), 77R3 (General Motors Corp Delco Moraine Ndh Div), 33KDD5 (Timken Co Div the Timken Company), 2360-1117 (Airco Welding Products Div of Boc Group Inc Cutting Machine Dept) and 2 more.

What NSN replaces 3110-00-227-3038?

There are 6 known substitutes for 3110-00-227-3038: 3110-00-005-5997, 3110-00-208-0055, 6520-00-431-4152 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0374-3?

Key specifications for 0374-3: Bore Diameter: 0.1875 INCHES NOMINAL IN; Material: STEEL OVERALL; Special Features: SELECTED,CLASSIFIED AND TESTED BY THE ASSY MFR AT HIS PLANT; Retainer Fabrication Method: PRESSED. 15 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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