Model: 230872

Helical Gear

Special Features:

Weapon system essential

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
2.8970 inches
Teeth Quantity
24
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Hardness Rating
28.0 rockwell c and 32.0 rockwell c
Mounting Hole Thread Size
0.375 inches axially through body, first end
Criticality Code Justification
Feat
Mounting Hole Type And Quantity
2 threaded axially through body, first end
Outside Diameter
3.122 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
34.6284 degrees
Distance Between Body Face And Recessed Hub End
0.375 inches second end
Face Width
1.375 inches
Bore Diameter
0.560 inches both ends
Keyway Width
0.127 inches both ends
Distance From Bore Center To Keyway Bottom
0.347 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.125 inches first end
Hub Diameter
1.125 inches second end
Bolt Hole Circle Diameter
1.688 inches axially through body, first end
Material
Steel comp 8640 and steel comp 8740 and steel comp 4140
Material
Steel comp 8640 and steel comp 8740 and steel comp 4140
Material Specification
66 federal standard single material response
Style Designator
One flush hub, one recessed hub
NSN
3020-00-741-1102
Part Number
230872
Description
Gear,helical
CAGE
H0001

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 230872 NSN 3020-00-741-1102

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:
SX
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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:
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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