Model: 12M2227-9

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 1.3360 inches and 1.3370 inches
Teeth Quantity
31
Bore Style
W/ keyway both ends
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Outside Diameter
1.417 inches
Nominallength
1.432 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Helix Angle
14.0000 degrees
Distance Between Body Face And Protruding Hub End
0.541 inches both ends
Face Width
0.350 inches
Bore Diameter
0.375 inches both ends
Keyway Width
0.126 inches both ends
Distance From Bore Center To Keyway Bottom
0.425 inches both ends
Hub Style Designator
1 step both ends
End Length
0.331 inches both ends
End Diameter
0.750 inches both ends
First Step Length
0.210 inches both ends
First Step Diameter
0.1033 inches both ends
Material
Steel
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-520-2518
Part Number
12M2227-9
Description
Gear,helical
CAGE
81755

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 12M2227-9 NSN 3020-00-520-2518

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:
--
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:
60.0
WCC:
593
TCC:
Z
SHC:
Z
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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