Model: 212159

Helical Gear

Special Features:

Minor taper 2nd end 1.587 in. Dia

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
10.0270 inches
Teeth Quantity
80
Bore Style
Tapered w/keyway first end
Features Provided
Tapered keyway
Hardness Rating
31.0 rockwell c and 36.0 rockwell c
Outside Diameter
10.2435 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
26.1999 degrees
Helix Angle
30.2999 degrees
Distance Between Body Face And Protruding Hub End
0.188 inches second end
Distance Between Body Face And Protruding Hub End
0.312 inches first end
Face Width
1.750 inches
Keyway Width
0.3760 inches first end
Distance From Bore Center To Keyway Bottom
1.1371 inches first end
Taper Major Diameter
1.8680 inches first end
Hub Style Designator
Plain both ends
Hub Diameter
2.250 inches second end
Hub Diameter
3.250 inches first end
Material
Steel
Style Designator
Protruding hubs
NSN
3020-00-517-3275
Part Number
212159
Description
Gear,helical
CAGE
21444

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 212159 NSN 3020-00-517-3275

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

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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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