Model: 643358

Helical Gear

Properties:

Body Style
Spoked
Pitch Diameter
Between 6.4780 inches and 6.4800 inches
Teeth Quantity
50
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
12.7 rockwell c and 21.7 rockwell c
Outside Diameter
6.6775 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
39.5167 degrees
Face Width
0.875 inches
Bore Diameter
1.2495 inches first end
Keyway Width
0.251 inches both ends
Distance From Bore Center To Keyway Bottom
0.7457 inches first end
Hub Style Designator
1 step second end
Hub Diameter
1.875 inches first end
End Length
0.077 inches second end
End Diameter
1.936 inches second end
First Step Length
0.031 inches second end
First Step Diameter
2.750 inches second end
Material
Steel
Style Designator
Flush hub
NSN
3020-00-200-2111
Part Number
643358
Description
Gear,helical
CAGE
58275

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 643358 NSN 3020-00-200-2111

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
4.6000lbs
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:
Construction Materials

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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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