Model: A30825

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.6875 inches
Teeth Quantity
49
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Mounting Hole Thread Series Designator
Unf transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
32 transversely through hub, first end
Hardness Rating
48.0 rockwell c teeth and 52.0 rockwell c teeth
Mounting Hole Thread Size
0.190 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Outside Diameter
1.747 inches
Nominallength
0.891 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
24.8500 degrees
Distance Between Body Face And Protruding Hub End
0.101 inches second end
Distance Between Body Face And Protruding Hub End
5.234 inches both ends
Face Width
0.265 inches
Bore Diameter
0.937 inches both ends
Keyway Width
0.190 inches both ends
Distance From Bore Center To Keyway Bottom
0.570 inches both ends
Hub Style Designator
Pinned first end
Hub Style Designator
Plain second end
Hub Diameter
1.125 inches second end
Hub Diameter
1.500 inches first end
Precision Classification
Quality number 9
Material
Steel
Style Designator
Protruding hubs
NSN
3020-00-531-0672
Part Number
A30825
Description
Gear,helical
CAGE
53397

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 A30825 NSN 3020-00-531-0672

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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