Model: 139487-02

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
1.0848 inches
Teeth Quantity
78
Outside Diameter
1.1066 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
3.0000 degrees
Distance Between Body Face And Protruding Hub End
0.130 inches second end
Distance Between Body Face And Protruding Hub End
0.420 inches first end
Face Width
0.135 inches
Hub Style Designator
1 step both ends
End Length
0.100 inches first end
End Length
0.100 inches second end
Precision Classification
Quality number 10 or quality number 11
End Diameter
0.125 inches first end
End Diameter
0.125 inches second end
First Step Length
0.030 inches second end
First Step Length
0.320 inches first end
First Step Diameter
0.220 inches first end
First Step Diameter
0.250 inches second end
Material
Plastic acetal body
Material
Steel comp 302 hub or steel comp 303 hub
Material Specification
L-p-392, type 1, class 1 federal specification single material response body
Material Specification
Mil-s-7720, cond a military specification single material response hub
Style Designator
Protruding hubs
NSN
3020-00-906-9894
Part Number
139487-02
Description
Gear,helical
CAGE
35351

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 139487-02 NSN 3020-00-906-9894

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:
0.1000lbs
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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