Model: A38931

Helical Gear

Special Features:

Used in diesel engine, j i case, model 207.

Properties:

Body Style
Webbed, with lightening holes
End Application
Crawler tractor; j i case, mdl 450b.
Pitch Diameter
5.8944 inches
Teeth Quantity
48
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
6.155 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
35.0000 degrees
Distance Between Body Face And Protruding Hub End
0.340 inches first end
Distance Between Body Face And Recessed Hub End
0.403 inches second end
Face Width
1.070 inches
Bore Diameter
1.001 inches both ends
Keyway Width
0.160 inches both ends
Distance From Bore Center To Keyway Bottom
0.610 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
1.723 inches second end
End Diameter
1.773 inches first end
First Step Diameter
4.595 inches first end
Material
Steel
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-172-5619
Part Number
A38931
Description
Gear,helical
CAGE
10988

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 A38931 NSN 3020-00-172-5619

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
4.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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