Model: MD8-635B

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
21.4820 inches
Teeth Quantity
83
Teeth Type
Single helix
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
15.0000 degrees
Face Width
6.500 inches
Hub Style Designator
Plain both ends
Hub Diameter
7.000 inches first end
Hub Diameter
7.000 inches second end
Material
Steel
Material Specification
Mil-s-890, class bs military specification single material response
Style Designator
Protruding hubs
NSN
3020-00-270-3691
Part Number
MD8-635B
Description
Gear,helical
CAGE
98523

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part MD8-635B NSN 3020-00-270-3691

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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