Model: 7346778

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
7.4286 inches
Teeth Quantity
40
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
59.0 rockwell c hub and 62.0 rockwell c hub
Hardness Rating
59.0 rockwell c teeth and 62.0 rockwell c teeth
Outside Diameter
7.729 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
17.5000 degrees
Helix Angle
26.2053 degrees
Distance Between Body Face And Protruding Hub End
0.844 inches first end
Distance Between Body Face And Recessed Hub End
0.234 inches second end
Face Width
1.281 inches
Bore Diameter
2.622 inches both ends
Keyway Width
0.375 inches both ends
Distance From Bore Center To Keyway Bottom
1.530 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.437 inches first end
Material
Steel
Material Specification
Qq-s-624 federal specification single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-734-6778
Part Number
7346778
Description
Gear,helical
CAGE
19207

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 7346778 NSN 3020-00-734-6778

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:
9.0 X 9.0 X 0.0
Paclk Weight:
12.2000lbs
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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