Model: 306891

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
8.7500 inches
Teeth Quantity
72
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
29.0 rockwell c and 33.0 rockwell c
Outside Diameter
0.942 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
34.6284 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches first end
Distance Between Body Face And Recessed Hub End
0.125 inches second end
Face Width
1.375 inches
Bore Diameter
1.375 inches both ends
Keyway Width
0.252 inches both ends
Distance From Bore Center To Keyway Bottom
0.807 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.250 inches first end
Hub Diameter
2.750 inches second end
Material
Steel comp 8640
Material Specification
66 federal standard single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-737-5234
Part Number
306891
Description
Gear,helical
CAGE
H0001

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 306891 NSN 3020-00-737-5234

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
9.0 X 9.0 X 0.5
Paclk Weight:
16.0000lbs
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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