Model: RC-8421

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
19.5550 inches
Teeth Quantity
75
Bore Style
10a w/ keyway both ends
Bore Style
W/counterbore counterbore, first end
Outside Diameter
19.955 inches
Teeth Type
Single helix
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
16.5000 degrees
Face Width
3.375 inches
Bore Diameter
3.500 inches both ends
Keyway Width
0.750 inches both ends
Distance From Bore Center To Keyway Bottom
2.125 inches both ends
Counterbore Depth
0.250 inches counterbore, first end
Counterbore Diameter
4.001 inches counterbore, first end
Material
Steel
Style Designator
Hubless
NSN
3020-01-194-2132
Part Number
RC-8421
Description
Gear,helical
CAGE
55102

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 RC-8421 NSN 3020-01-194-2132

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:
150.0000lbs
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:
F
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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