PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

647A136-005Bearing,plain,self-Aligning

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · NSN 3120-00-662-1976 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-1976 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-1976. Primary manufacturer part number: 647A136-005.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Outer Member Width: 0.5285 INCHES NOMINAL IN
  • Inner Member Width: 0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN
  • Lubrication Feature: GROOVE EXTERNAL OUTER MEMBER
  • Lubrication Feature: PERFORATION OUTER RACE MEMBER
  • Surface Treatment: CADMIUM OUTER RACE MEMBER
  • Material: STEEL COMP E52100 INNER MEMBER
  • Hardness Rating: 60.0 ROCKWELL C NOMINAL 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,self-Aligning, cataloged under National Stock Number 3120-00-662-1976, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-662-1976
Primary Part Number647A136-005
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
StatusCANCELLED
Outer Member Width0.5285 INCHES NOMINAL IN
Inner Member Width0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN
Lubrication FeatureGROOVE EXTERNAL OUTER MEMBER
Lubrication FeaturePERFORATION OUTER RACE MEMBER
Surface TreatmentCADMIUM OUTER RACE MEMBER
MaterialSTEEL COMP E52100 INNER MEMBER
Hardness Rating60.0 ROCKWELL C NOMINAL INNER MEMBER
Style DesignatorWITH INSERT AND/OR LINER
Bore Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Lubrication FeatureGROOVE INTERNAL OUTER MEMBER
MaterialSTEEL OUTER RACE MEMBER
MaterialCOPPER ALLOY RACE INSERT
Outer Member Outside Diameter1.3120 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-516-5611100359 INTERCHANGEABLE
Washer,flat
Meggitt North Hollywood Inc
6675-01-169-5284110303 INTERCHANGEABLE
Top,glass
Hamilton Mfg Co
6530-01-536-3432100359 INTERCHANGEABLE
Gasket,hp Transition
Steris Corporation Dba Steris Applied Sterilization Technololgies
Cross-Reference Index
Part NumberManufacturer
HD-47 Phoenix, Inc (USA)
LS8MILG3278 Roller Bearing Company of America, Inc. (USA)
647A136-005 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
LS8-485 Roller Bearing Company of America, Inc. (USA)
647A136-005 General Electric Company (USA)
100359 Phoenix, Inc (USA)
647A136-005 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
Related Parts
5310-00-516-5611INTERCHANGEABLE
WASHER,FLAT
100359
6675-01-169-5284INTERCHANGEABLE
TOP,GLASS
110303
6530-01-536-3432INTERCHANGEABLE
GASKET,HP TRANSITION
100359

Frequently Asked Questions

What is NSN 3120-00-662-1976?

NSN 3120-00-662-1976 is a Bearing,plain,self-Aligning, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-662-1976?

NSN 3120-00-662-1976 has 7 cross-referenced part numbers: HD-47 (Phoenix, Inc), LS8MILG3278 (Roller Bearing Company of America, Inc.), 647A136-005 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), LS8-485 (Roller Bearing Company of America, Inc.), 647A136-005 (General Electric Company) and 2 more.

What NSN replaces 3120-00-662-1976?

There are 3 known substitutes for 3120-00-662-1976: 5310-00-516-5611, 6675-01-169-5284, 6530-01-536-3432. Verify interchangeability with system specifications before substitution.

What are the specifications of 647A136-005?

Key specifications for 647A136-005: Outer Member Width: 0.5285 INCHES NOMINAL IN; Inner Member Width: 0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN; Lubrication Feature: GROOVE EXTERNAL OUTER MEMBER; Lubrication Feature: PERFORATION OUTER RACE MEMBER. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-662-1976 still in active supply?

NSN 3120-00-662-1976 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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