Model: 7521017

Helical Gear

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
6.4619 inches
Teeth Quantity
46
Bore Style
Plain both ends
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Mounting Hole Type And Quantity
4 plain transversely through face
Outside Diameter
6.645 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
28.2723 degrees
Distance Between Body Face And Protruding Hub End
0.187 inches first end
Distance Between Body Face And Protruding Hub End
0.184 inches second end
Face Width
1.078 inches
Bore Diameter
2.078 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
2.500 inches second end
End Length
0.094 inches first end
End Diameter
2.156 inches first end
First Step Length
0.187 inches first end
First Step Diameter
2.840 inches first end
Mounting Hole Diameter
0.516 inches transversely through face
Bolt Hole Circle Diameter
3.500 inches axially through body, first end
Material
Steel comp 8620h
Material Specification
66 federal standard single material response
Style Designator
Protruding hubs
NSN
3020-00-752-1017
Part Number
7521017
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 7521017 NSN 3020-00-752-1017

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:
--
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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