PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR3Bearing,plain,rod End

Stephens-Adamson Inc a Sub of Allis-Chalmers Corp · NSN 3120-00-780-9567 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-780-9567 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-780-9567. Primary manufacturer part number: TR3.
Features
  • Bearing,plain,rod End — FSC 3120
  • Thread Quantity Per Inch: 20
  • Style Designator: BALL TYPE
  • Surface Treatment: CHROMIUM INNER MEMBER
  • Thread Series Designator: UN
  • Surface Treatment: CADMIUM ROD END BODY
  • Shank Style: INTERNALLY THREADED W/BEAD AND WRENCH FLATS AND INSPECTION HOLE
  • Material: STEEL COMP E52100 INNER MEMBER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Inner Member construction
General Description

The Bearing,plain,rod End, cataloged under National Stock Number 3120-00-780-9567, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Stephens-Adamson Inc a Sub of Allis-Chalmers Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3120-00-780-9567
Primary Part NumberTR3
Item NameBearing,plain,rod End
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerStephens-Adamson Inc a Sub of Allis-Chalmers Corp
StatusACTIVE
Thread Quantity Per Inch20
Style DesignatorBALL TYPE
Surface TreatmentCHROMIUM INNER MEMBER
Thread Series DesignatorUN
Surface TreatmentCADMIUM ROD END BODY
Shank StyleINTERNALLY THREADED W/BEAD AND WRENCH FLATS AND INSPECTION HOLE
MaterialSTEEL COMP E52100 INNER MEMBER
MaterialSTEEL ROD END BODY
Shank Thread Length0.5620 INCHES NOMINAL IN
Thread Class2B
Bore Diameter0.1895 INCHES MINIMUM AND 0.1915 INCHES MAXIMUM IN
Outer Member Outside Diameter0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
Shank Width Across Wrench Flats0.3130 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Outer Member Width0.2550 INCHES MAXIMUM IN
Inner Member Width0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
Bore Center to Shank End Distance1.0470 INCHES MINIMUM AND 1.0770 INCHES MAXIMUM IN
Thread Diameter0.312 INCHES NOMINAL IN
Inspection Hole Center to End Distance0.3120 INCHES NOMINAL IN
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
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
3120-01-174-5428TR-3 INTERCHANGEABLE
Bearing,plain,rod End
Wbparts Inc
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
TR3 Stephens-Adamson Inc a Sub of Allis-Chalmers Corp (USA)
Related Parts
3120-00-453-6221INTERCHANGEABLE
BEARING,PLAIN,ROD END
HF3Q
3110-00-516-5413INTERCHANGEABLE
BEARING,BALL,ANNULAR
056-6
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
3120-01-174-5428INTERCHANGEABLE
BEARING,PLAIN,ROD END
TR-3
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 3120-00-780-9567?

NSN 3120-00-780-9567 is a Bearing,plain,rod End, manufactured by Stephens-Adamson Inc a Sub of Allis-Chalmers Corp, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-780-9567?

NSN 3120-00-780-9567 has 1 cross-referenced part number: TR3 (Stephens-Adamson Inc a Sub of Allis-Chalmers Corp).

What NSN replaces 3120-00-780-9567?

There are 10 known substitutes for 3120-00-780-9567: 3120-00-453-6221, 3110-00-516-5413, 5340-00-978-9333 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TR3?

Key specifications for TR3: Thread Quantity Per Inch: 20; Style Designator: BALL TYPE; Surface Treatment: CHROMIUM INNER MEMBER; Thread Series Designator: UN. 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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