PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HFFXL12GBearing,plain,rod End

Roller Bearing Company of America, Inc. · NSN 3120-00-661-7605 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-7605 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-7605. Primary manufacturer part number: HFFXL12G.
Features
  • Bearing,plain,rod End — FSC 3120
  • Outer Member Width: 0.6820 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM IN
  • Lubrication Feature: GROOVE EXTERNAL INNER MEMBER
  • Shank Style: INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE
  • Style Designator: BALL TYPE
  • Outer Member Outside Diameter: 1.7400 INCHES MINIMUM AND 1.7600 INCHES MAXIMUM IN
  • Thread Direction: LEFT-HAND
  • Inner Member Width: 0.8700 INCHES MINIMUM AND 0.8750 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 3120-00-661-7605, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-7605
Primary Part NumberHFFXL12G
Item NameBearing,plain,rod End
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Company of America, Inc.
StatusACTIVE
Outer Member Width0.6820 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM IN
Lubrication FeatureGROOVE EXTERNAL INNER MEMBER
Shank StyleINTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE
Style DesignatorBALL TYPE
Outer Member Outside Diameter1.7400 INCHES MINIMUM AND 1.7600 INCHES MAXIMUM IN
Thread DirectionLEFT-HAND
Inner Member Width0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Shank Width Across Wrench Flats0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
Bore Diameter0.7495 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
Shank Thread Length1.7188 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN
Inspection Hole Center to End Distance0.8750 INCHES NOMINAL IN
Thread Class3B
Bore Center to Shank End Distance2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN
Features ProvidedEXTERNAL LUBRICATION FITTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-103-8324 INTERCHANGEABLE
Connector,rod End
Cross-Reference Index
Part NumberManufacturer
HFFXL12G PRIMARY Roller Bearing Company of America, Inc. (USA)
HFXL12G Roller Bearing Company of America, Inc. (USA)
MD2428REVAPC17 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
240-2200-1425997REVAPC17 Naval Ship Systems Command (USA)
Related Parts
5340-00-103-8324INTERCHANGEABLE
CONNECTOR,ROD END

Frequently Asked Questions

What is NSN 3120-00-661-7605?

NSN 3120-00-661-7605 is a Bearing,plain,rod End, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-7605?

NSN 3120-00-661-7605 has 4 cross-referenced part numbers: HFFXL12G (Roller Bearing Company of America, Inc.), HFXL12G (Roller Bearing Company of America, Inc.), MD2428REVAPC17 (Electric Boat Corporation Div General Dynamics Electric Boat), 240-2200-1425997REVAPC17 (Naval Ship Systems Command).

What NSN replaces 3120-00-661-7605?

There is 1 known substitute for 3120-00-661-7605: 5340-00-103-8324. Verify interchangeability with system specifications before substitution.

What are the specifications of HFFXL12G?

Key specifications for HFFXL12G: Outer Member Width: 0.6820 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM IN; Lubrication Feature: GROOVE EXTERNAL INNER MEMBER; Shank Style: INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE; Style Designator: BALL TYPE. 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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