Model: M12743

Worm Gear

Properties:

Pitch Diameter
0.9922 inches
Face Type
Concave
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
1.135 inches
Thread Form Quantity
5
Thread Form Direction
Right-hand
Pressure Angle
14.5000 degrees
Face Width
1.320 inches
Bore Diameter
0.627 inches both ends
Keyway Width
0.125 inches both ends
Distance From Bore Center To Keyway Bottom
0.377 inches both ends
Material
Steel
Style Designator
Hubless
NSN
3020-00-389-5122
Part Number
M12743
Description
Gear,worm
CAGE
28873

A gear with teeth on its outer surface in the form of helical threads.

Part M12743 NSN 3020-00-389-5122

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05467
FIIG:
A27300
Concept No.:
1
App. Key:
AJ
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

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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