Model: 7712E

Helical Gear

Special Features:

Jtiming mark located 42 deg. 4l min cm from ctr. Line of keyway, two 3/8 by 16 nc puller holes located on 2-1/8 in. Bolt circle 90 deg. And 270 deg. From center line of keyway on same side of gear as timing mark

Properties:

Body Style
Plain, solid
Pitch Diameter
2.9980 inches
Teeth Quantity
30
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.1610 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
33.5500 degrees
Face Width
0.875 inches
Bore Diameter
1.5010 inches both ends
Keyway Width
0.155 inches both ends
Distance From Bore Center To Keyway Bottom
0.838 inches both ends
Material
Steel comp 1141
Material Specification
66 federal standard single material response and aisi/saf 1141 assn standard single material response
Style Designator
Hubless
NSN
3020-00-429-4432
Part Number
7712E
Description
Gear,helical
CAGE
64104

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 7712E NSN 3020-00-429-4432

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

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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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