Model: SM18A4-4-1

Control Motor

Properties:

Overall Height
1.750 inches
Overall Length
2.350 inches
Overall Width
1.750 inches
Spline Minor Diameter
0.108 inches identical ends
Spline Quantity
13 identical ends
Shaft Diameter
0.176 inches identical ends and 0.177 inches identical ends
Current Type
Ac input
Maximum Operating Altitude Rating
50000.0 feet
Inclosure Feature
Open protected
Spline Length
0.120 inches first end
Spline Length
0.210 inches second end
Mounting Method
Flange
Mounting Facility Type And Quantity
4 threaded hole
Cooling Method
Ambient air
Control Field Impedance Rating In Ohms
495.0
Control Field Winding Type
Single winding w/center tap
Torque Rating And Type
2.7 inch-ounces stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
57.5 ac and 115.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.210 inches second end
Length Of Shaft From Housing
0.120 inches first end
Tempurature Rating
-65.0 operating degrees celsius and 105.0 operating degrees celsius
Mounting Facility Circle Diameter
1.250 inches
Rotor Speed Rating In Rpm
9500.0 single no load
Connection Type And Voltage Rating In Volts
115.0 line to neutral single input
Shaft End Characteristic
A14 single style identical ends
Phase
Single input
Frequency In Hertz
400.0 input
NSN
6105-00-500-0144
Part Number
SM18A4-4-1
Description
Motor,control
CAGE
08719

A motor which is designed to be operated from two independent voltage sources, in such a way that variations in one voltage source will determine the direction and speed of the motor. In the alternating current type the voltages are usually applied to a split-phase stator, whereas in the direct current type, one voltage is applied to the stator and the other to the armature. Low inertia and rapid reversibility are inherent characteristics of this type of motor. See also servomotor, automatic pilot.

Part SM18A4-4-1 NSN 6105-00-500-0144

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
19258
FIIG:
A271A0
Concept No.:
1
App. Key:
L
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:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8412809000
  • SITC: 71893
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Engines and motors, nesoi

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