Model: K242-4

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
5.6666 inches
Teeth Quantity
40
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
58.0 rockwell c teeth and 63.0 rockwell c teeth
Outside Diameter
5.883 inches
Nominallength
2.172 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
18.3667 degrees
Helix Angle
23.2158 degrees
Distance Between Body Face And Protruding Hub End
6.250 inches second end
Distance Between Body Face And Recessed Hub End
1.109 inches first end
Face Width
1.063 inches
Bore Diameter
1.749 inches both ends
Keyway Width
0.314 inches both ends
Distance From Bore Center To Keyway Bottom
1.027 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.313 inches second end
Hub Diameter
2.313 inches first end
Material
Steel
Style Designator
Cone shape body, protruding hub, recessed hub
NSN
3020-00-275-1012
Part Number
K242-4
Description
Gear,helical
CAGE
77605

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 K242-4 NSN 3020-00-275-1012

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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