Model: 747

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical hole/slot mounted
Reliability Indicator
Not established
Overall Length
2.500 inches
Body Diameter
Between 2.083 inches and 2.103 inches
Shaft Diameter
0.250 inches
Shaft Length
0.750 inches
Body Length
1.750 inches
Overall Diameter
2.264 inches
Mounting Hole/stud Circle Diameter
1.125 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
351.3
Maximum Starting Torque
1.00 inch-ounces
Lateral Runout
0.002 inches
Shaft Radial Play
0.001 inches
Screw Thread Diameter
0.164 inches
Screw Thread Series Designator
Unc
Screw Thready Qty Per Inch (tpi)
32.0
Mounting Facility Quantity
3
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Threaded hole
Electrical Resistance Per Section
20.000 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
3.000 percent, rated amperes c and better finish
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
272.3 2nd section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
272.3 4th section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
79.0 1st section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
79.0 3rd section
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-0.15/+0.15 2nd section
Function Conformity Tolerance Per Section
-0.20/+0.20 1st section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
71.0 all sections
Power Dissipation Rating Per Section In Watts
4.0 free air all sections
Function Conformity Per Section
All sections independent linearity
Fixed Tap Quantity Per Section
2 1st section
Fixed Tap Quantity Per Section
2 2nd section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 all sections
Actuator Travel Control Feature
Continuous motion
Tap Location From Ccw Terminal Per Section In Ohms
2325.0 2nd section
Tap Location From Ccw Terminal Per Section In Ohms
4498.0 3rd section
Tap Location From Ccw Terminal Per Section In Ohms
675.0 1st section
Function Characteristic Per Section
All sections linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 all sections
Terminal Type And Quantity
10 tab, solder lug
NSN
5905-00-666-0574
Part Number
747
Description
Resistor,variable,wire Wound,pre
CAGE
72314

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity) of the output is equal to or less than plus or munus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable, for items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes resistor (1), variable, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, nonprecision.

Part 747 NSN 5905-00-666-0574

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37408
FIIG:
A002A0
Concept No.:
1
App. Key:
D
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:
062960
UFC:
35140
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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