Model: 7521438

Helical Gear

Properties:

Body Style
Plain, solid
Spline Quantity
10 both ends
Pitch Diameter
4.2000 inches
Teeth Quantity
21
Bore Style
Straight spline both ends
Hardness Rating
57.0 rockwell c and 62.0 rockwell c
Outside Diameter
4.6975 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
22.0000 degrees
Distance Between Body Face And Protruding Hub End
0.625 inches first end
Face Width
1.250 inches
Bore Diameter
1.7945 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.375 inches first end
Material
Steel
Material Specification
Fed standard 66 federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-303-5106
Part Number
7521438
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 7521438 NSN 3020-00-303-5106

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:
4.0 X 4.0 X 1.0
Paclk Weight:
4.7000lbs
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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