Model: MD20-10-10-2749

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
4.986 inches
Undercut Diameter
1.875 inches
Undercut Width
0.0930 inches
Body Diameter
2.000 inches
Angle Of Mounting Hole In Deg
120.0
Angle Between Centerlines Of Mounting Holes In Deg
90.0
Shaft Diameter
0.250 inches
Shaft Length
0.938 inches
Body Length
4.048 inches
Mounting Lip Diameter
2.0000 inches
Mounting Lip Depth
0.0620 inches
Mounting Hole/stud Circle Diameter
0.937 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 3600.0 and 3601.0
Maximum Starting Torque
2.00 inch-ounces
Maximum Running Torque
1.50 inch-ounces
Maximum Stop Torque
30.00 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 less than half the circumference
Mounting Method
Threaded hole
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
10.000 kilohms all sections
Rotary Actuator Travel In Angular Deg
Between 3600.0 and 3601.0
Function Conformity Tolerance Per Section
-0.02/+0.02 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
1 1st section
Fixed Tap Quantity Per Section
1 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
Continuous motion
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
8 turret
NSN
5905-00-707-0802
Part Number
MD20-10-10-2749
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 MD20-10-10-2749 NSN 5905-00-707-0802

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:
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:
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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