Model: 656087-001

Spur Antibacklash Gear

Properties:

End Application
Synchro drive assembly, fewsg peculiar
Pitch Diameter
2.2500 inches
Teeth Quantity
72
Outside Diameter
2.312 inches
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.240 inches between body and flange
Face Width
0.187 inches
Material
Stainless steel hub and aluminum hub
Style Designator
Protruding hub
NSN
3020-01-349-8589
Part Number
656087-001
Description
Gear,antibacklash,spur
CAGE
14482

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

Part 656087-001 NSN 3020-01-349-8589

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121870
UFC:
64910
LTL:
77.5
LCL:
77.5
WCC:
593
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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