Model: MD20-10-10-2748

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
Between 0.7490 inches and 0.7500 inches
Pilot Length
0.0620 inches
Overall Length
5.017 inches
Undercut Diameter
1.875 inches
Undercut Width
0.0930 inches
Body Diameter
2.000 inches
Angle Of Mounting Hole In Deg
90.0
Angle Between Centerlines Of Mounting Holes In Deg
120.0
Shaft Diameter
0.250 inches
Shaft Length
0.938 inches
Body Length
4.048 inches
Overall Diameter
2.640 inches
Mounting Lip Diameter
2.0000 inches
Mounting Lip Depth
0.0620 inches
Mounting Hole/stud Circle Diameter
1.250 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
3600.0
Maximum Starting Torque
2.00 inch-ounces
Maximum Running Torque
1.50 inch-ounces
Maximum Stop Torque
480.00 inch-ounces
Shaft End Play
0.00500 inches
Shaft Runout
0.001 inches
Lateral Runout
0.001 inches
Pilot Diameter Runout
0.00100 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
10.000 kilohms all sections
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
300.0 1st section and 550.0 1st section and 800.0 1st section and 1050.0 1st section and 1300.0 1st section and 1550.0 1st section and 1800.0 1st section and 2050.0 1st section and 2300.0 1st section and 2500.0 1st section and 2800.0 1st section and 3050.0 1st section and 3300.0 1st section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
450.0 2nd section and 900.0 2nd section and 1350.0 2nd section and 1800.0 2nd section and 2250.0 2nd section and 2700.0 2nd section and 3150.0 2nd section
Rotary Actuator Travel In Angular Deg
3600.0
Function Conformity Tolerance Per Section
-0.025/+0.025 all sections
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
85.0 all sections
Power Dissipation Rating Per Section In Watts
5.0 free air all sections
Function Conformity Per Section
All sections independent linearity
Fixed Tap Quantity Per Section
13 1st section
Fixed Tap Quantity Per Section
7 2nd section
Tap Location Tolerance Per Section
-0.5/+0.5 degrees angular rotation all sections
Resistance Tolerance Per Section In Percent
-0.5/+0.5 all sections
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
All sections linear
Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-25.0/+25.0 all sections
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 all sections
Terminal Type And Quantity
26 turret
NSN
5905-00-707-0793
Part Number
MD20-10-10-2748
Description
Resistor,variable,wire Wound,pre
CAGE
04454

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 MD20-10-10-2748 NSN 5905-00-707-0793

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:
--
WCC:
72D
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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