PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR-3Bearing,plain,rod End

Wbparts Inc · NSN 3120-01-174-5428 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-174-5428 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-174-5428. Primary manufacturer part number: TR-3.
Features
  • Bearing,plain,rod End — FSC 3120
  • Thread Series Designator: UNF
  • Inner Member Width: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
  • Bore Center to Shank End Distance: 1.0300 INCHES MINIMUM AND 1.0940 INCHES MAXIMUM IN
  • Shank Thread Length: 0.5300 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
  • Shank Width Across Wrench Flats: 0.2980 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-174-5428, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Wbparts Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-174-5428
Primary Part NumberTR-3
Item NameBearing,plain,rod End
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerWbparts Inc
StatusACTIVE
Thread Series DesignatorUNF
Inner Member Width0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
Bore Center to Shank End Distance1.0300 INCHES MINIMUM AND 1.0940 INCHES MAXIMUM IN
Shank Thread Length0.5300 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2B
Shank Width Across Wrench Flats0.2980 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM IN
Outer Member Outside Diameter0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Style DesignatorBALL TYPE
Thread Diameter0.1900 INCHES NOMINAL IN
Bore Diameter0.1895 INCHES MINIMUM AND 0.1915 INCHES MAXIMUM IN
Shank StyleINTERNALLY THREADED W/BEAD AND WRENCH FLATS
Outer Member Width0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3120-00-453-6221HF3Q INTERCHANGEABLE
Bearing,plain,rod End
Roller Bearing Company of America, Inc.
3110-00-516-5413056-6 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
3120-00-780-9567 INTERCHANGEABLE
Bearing,plain,rod End
5340-00-978-9333TR3 INTERCHANGEABLE
Rod End,female
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
5998-01-099-5170TR-3 INTERCHANGEABLE
Holder,electrical Card
Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries
5905-01-121-7781 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
8020-01-140-0952 INTERCHANGEABLE
Roller,paint
6110-01-270-4513TR3 INTERCHANGEABLE
Contactor,magnetic
Reliant Heating and Controls Inc
6230-01-590-5429TR3 INTERCHANGEABLE
Flashlight
Viking International Protection
5340-01-618-6644TR3 INTERCHANGEABLE
Standoff,threaded,spacing
Thorlabs, Inc
Cross-Reference Index
Part NumberManufacturer
TR-3 Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA)
TR-3 PRIMARY Wbparts Inc (USA)
TR-3 Emerson Power Transmission Corporation Div Ept (USA)
679327-1 Drs Sustainment Systems Inc (USA)
679327-1 Drs Sustainment Systems, Inc. (USA)
Related Parts
3120-00-453-6221INTERCHANGEABLE
BEARING,PLAIN,ROD END
HF3Q
3110-00-516-5413INTERCHANGEABLE
BEARING,BALL,ANNULAR
056-6
3120-00-780-9567INTERCHANGEABLE
BEARING,PLAIN,ROD END
5340-00-978-9333INTERCHANGEABLE
ROD END,FEMALE
TR3
5998-01-099-5170INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
TR-3
5905-01-121-7781INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
8020-01-140-0952INTERCHANGEABLE
ROLLER,PAINT
6110-01-270-4513INTERCHANGEABLE
CONTACTOR,MAGNETIC
TR3
6230-01-590-5429INTERCHANGEABLE
FLASHLIGHT
TR3
5340-01-618-6644INTERCHANGEABLE
STANDOFF,THREADED,SPACING
TR3

Frequently Asked Questions

What is NSN 3120-01-174-5428?

NSN 3120-01-174-5428 is a Bearing,plain,rod End, manufactured by Wbparts Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-174-5428?

NSN 3120-01-174-5428 has 5 cross-referenced part numbers: TR-3 (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co), TR-3 (Wbparts Inc), TR-3 (Emerson Power Transmission Corporation Div Ept), 679327-1 (Drs Sustainment Systems Inc), 679327-1 (Drs Sustainment Systems, Inc.).

What NSN replaces 3120-01-174-5428?

There are 10 known substitutes for 3120-01-174-5428: 3120-00-453-6221, 3110-00-516-5413, 3120-00-780-9567 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TR-3?

Key specifications for TR-3: Thread Series Designator: UNF; Inner Member Width: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Bore Center to Shank End Distance: 1.0300 INCHES MINIMUM AND 1.0940 INCHES MAXIMUM IN; Shank Thread Length: 0.5300 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com