Model: 847B397

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
0.6634 inches
Teeth Quantity
68
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
36.0 rockwell c teeth and 40.0 rockwell c teeth
Outside Diameter
6.827 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
23.0000 degrees
Face Width
1.061 inches
Bore Diameter
1.722 inches both ends
Keyway Width
0.501 inches both ends
Distance From Bore Center To Keyway Bottom
0.216 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.500 inches first end
Hub Diameter
2.500 inches second end
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
Style Designator
Flush hub
NSN
3020-00-802-6943
Part Number
847B397
Description
Gear,helical
CAGE
60969

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 847B397 NSN 3020-00-802-6943

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
9.5000lbs
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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