PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23038591-2Bearing,plain,rod End

Timken Aurora Bearing Company · NSN 3120-01-330-5385 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-330-5385 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-330-5385. Primary manufacturer part number: 23038591-2.
Features
  • Bearing,plain,rod End — FSC 3120
  • Outer Member Width: 0.6820 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM IN
  • Inner Member Width: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
  • Thread Diameter: 0.7500 INCHES NOMINAL IN
  • Style Designator: BALL TYPE
  • Surface Treatment: NICKEL ROD END BODY
  • Material: STEEL ROD END BODY
  • Material: STEEL CORROSION RESISTING RACE INSERT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Rod End Body construction
General Description

The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-330-5385, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aurora Bearing Company. Government technical data includes 18 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-330-5385
Primary Part Number23038591-2
Item NameBearing,plain,rod End
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTimken Aurora Bearing Company
StatusACTIVE
Outer Member Width0.6820 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM IN
Inner Member Width0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Thread Diameter0.7500 INCHES NOMINAL IN
Style DesignatorBALL TYPE
Surface TreatmentNICKEL ROD END BODY
MaterialSTEEL ROD END BODY
MaterialSTEEL CORROSION RESISTING RACE INSERT
MaterialSTEEL INNER MEMBER
Outer Member Outside Diameter1.7400 INCHES MINIMUM AND 1.7600 INCHES MAXIMUM IN
Shank Thread Length1.7190 INCHES MINIMUM AND 1.8120 INCHES MAXIMUM IN
Bore Center to Shank End Distance2.8600 INCHES MINIMUM AND 2.8900 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Thread DirectionLEFT-HAND
Surface TreatmentCHROMATE INNER MEMBER
Thread Class3A A
Thread Quantity Per Inch16
Shank StyleEXTERNALLY THREADED
Bore Diameter0.7495 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-306-0666SB12 INTERCHANGEABLE
Switch,rotary
General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp
5342-00-329-1489171-20 INTERCHANGEABLE
Mount,resilient,weapon System
West American Rubber Co Stoner Rubber Co Div
5340-00-781-0470SB-12 INTERCHANGEABLE
Clamp,loop
Voss Industries, Llc
4030-00-887-2168SB-12 INTERCHANGEABLE
Sling,bridle
Newco Mfg Co Inc
3455-01-101-1064SB-12 INTERCHANGEABLE
File,rotary
Fullerton Tool Company, Inc.
1005-01-631-6580SB-12 INTERCHANGEABLE
Brush,cleaning,small Arms
Dewey, J Manufacturing Company Inc
Cross-Reference Index
Part NumberManufacturer
23038591-2 Rolls-Royce Corporation (USA)
AREL-12SS Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA)
23038591-2 PRIMARY Timken Aurora Bearing Company (USA)
SB-12 PRIMARY Rolls-Royce Marine North America Inc. (USA)
SB-12 PRIMARY Timken Aurora Bearing Company (USA)
Related Parts
5930-00-306-0666INTERCHANGEABLE
SWITCH,ROTARY
SB12
5342-00-329-1489INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
171-20
5340-00-781-0470INTERCHANGEABLE
CLAMP,LOOP
SB-12
4030-00-887-2168INTERCHANGEABLE
SLING,BRIDLE
SB-12
3455-01-101-1064INTERCHANGEABLE
FILE,ROTARY
SB-12
1005-01-631-6580INTERCHANGEABLE
BRUSH,CLEANING,SMALL ARMS
SB-12

Frequently Asked Questions

What is NSN 3120-01-330-5385?

NSN 3120-01-330-5385 is a Bearing,plain,rod End, manufactured by Timken Aurora Bearing Company, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-330-5385?

NSN 3120-01-330-5385 has 5 cross-referenced part numbers: 23038591-2 (Rolls-Royce Corporation), AREL-12SS (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co), 23038591-2 (Timken Aurora Bearing Company), SB-12 (Rolls-Royce Marine North America Inc.), SB-12 (Timken Aurora Bearing Company).

What NSN replaces 3120-01-330-5385?

There are 6 known substitutes for 3120-01-330-5385: 5930-00-306-0666, 5342-00-329-1489, 5340-00-781-0470 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23038591-2?

Key specifications for 23038591-2: Outer Member Width: 0.6820 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM IN; Inner Member Width: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN; Thread Diameter: 0.7500 INCHES NOMINAL IN; Style Designator: BALL TYPE. 20 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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