PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HFL4Bearing,plain,rod End

Roller Bearing Company of America, Inc. · NSN 3120-00-661-7545 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-7545 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-7545. Primary manufacturer part number: HFL4.
Features
  • Bearing,plain,rod End — FSC 3120
  • Thread Quantity Per Inch: 28
  • Lubrication Feature: GROOVE EXTERNAL INNER MEMBER
  • Material: STEEL COMP 1018 ROD END BODY
  • Style Designator: BALL TYPE
  • Surface Treatment: CADMIUM ROD END BODY
  • Outer Member Width: 0.2860 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 1018 Rod End Body construction
General Description

The Bearing,plain,rod End, cataloged under National Stock Number 3120-00-661-7545, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Company of America, Inc.. Government technical data includes 20 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-7545
Primary Part NumberHFL4
Item NameBearing,plain,rod End
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Company of America, Inc.
StatusCANCELLED
Thread Quantity Per Inch28
Lubrication FeatureGROOVE EXTERNAL INNER MEMBER
MaterialSTEEL COMP 1018 ROD END BODY
Style DesignatorBALL TYPE
Surface TreatmentCADMIUM ROD END BODY
Outer Member Width0.2860 INCHES MAXIMUM IN
Thread Series DesignatorUNF
MaterialCOPPER ALLOY RACE INSERT
MaterialSTEEL COMP E52100 INNER MEMBER
Thread Diameter0.250 INCHES NOMINAL IN
Thread DirectionLEFT-HAND
Inspection Hole Center to End Distance0.3120 INCHES NOMINAL IN
Bore Diameter0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
Shank Thread Length0.7500 INCHES NOMINAL IN
Shank StyleINTERNALLY THREADED W/BEAD AND WRENCH FLATS AND INSPECTION HOLE
Shank Width Across Wrench Flats0.3750 INCHES NOMINAL IN
Thread Class3B
Bore Center to Shank End Distance1.3120 INCHES NOMINAL IN
Outer Member Outside Diameter0.7500 INCHES NOMINAL IN
Inner Member Width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6240-00-299-47421495 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
4320-01-095-4790 INTERCHANGEABLE
Parts Kit,rotary Pump
4820-01-098-1799180296 INTERCHANGEABLE
Stem,fluid Valve
Marotta Controls Inc
7025-01-557-762217364 INTERCHANGEABLE
Joystick,data Entry
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
36-3L4 Martin Bros Electric Co (USA)
186862 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
180296 Woodward, Inc. Div Fuel Systems and Controls (USA)
HFL4 PRIMARY Roller Bearing Company of America, Inc. (USA)
870552 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
BRE4485 Rbc Southwest Products, Inc. (USA)
186862 Bendix Corp the (USA)
Related Parts
6240-00-299-4742INTERCHANGEABLE
LAMP,INCANDESCENT
1495
4320-01-095-4790INTERCHANGEABLE
PARTS KIT,ROTARY PUMP
4820-01-098-1799INTERCHANGEABLE
STEM,FLUID VALVE
180296
7025-01-557-7622INTERCHANGEABLE
JOYSTICK,DATA ENTRY
17364

Frequently Asked Questions

What is NSN 3120-00-661-7545?

NSN 3120-00-661-7545 is a Bearing,plain,rod End, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-7545?

NSN 3120-00-661-7545 has 7 cross-referenced part numbers: 36-3L4 (Martin Bros Electric Co), 186862 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 180296 (Woodward, Inc. Div Fuel Systems and Controls), HFL4 (Roller Bearing Company of America, Inc.), 870552 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 2 more.

What NSN replaces 3120-00-661-7545?

There are 4 known substitutes for 3120-00-661-7545: 6240-00-299-4742, 4320-01-095-4790, 4820-01-098-1799 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HFL4?

Key specifications for HFL4: Thread Quantity Per Inch: 28; Lubrication Feature: GROOVE EXTERNAL INNER MEMBER; Material: STEEL COMP 1018 ROD END BODY; Style Designator: BALL TYPE. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-7545 still in active supply?

NSN 3120-00-661-7545 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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