Model: 12M2243-9

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 0.8680 inches and 0.8690 inches
Teeth Quantity
21
Bore Style
W/ keyway both ends
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Outside Diameter
0.958 inches
Nominallength
0.540 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
11.0000 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches both ends
Face Width
0.290 inches
Bore Diameter
0.394 inches both ends
Keyway Width
0.095 inches both ends
Distance From Bore Center To Keyway Bottom
0.244 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.580 inches both ends
Material
Steel
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-520-2514
Part Number
12M2243-9
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 12M2243-9 NSN 3020-00-520-2514

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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