#20SF7478 Conductive Plastic Potentiometer | Resistors

20SF7478

Nonwire Wound Variable Resistor

NSN 5905-01-279-7986

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
012797986

Product Features

Knob on rear end of shaft 0.6232 in. Diameter min. And 0.6238 in. Diameter max; 500 ohm, 0.25 watt internal resistor connected to wiper

Technical Specifications of NSN

Section Quantity:
1
Body Style:
Cylindrical servo mounted
Reliability Indicator:
Not established
Pilot Diameter:
Between 1.8745 inches and 1.8750 inches
Pilot Length:
Between 0.0350 inches and 0.0670 inches
Undercut Diameter:
Between 1.8745 inches and 1.8750 inches
Undercut Width:
0.0550 inches
Body Diameter:
2.000 centimeters
Angle Of Mounting Hole In Deg:
30.0
Angle Between Centerlines Of Mounting Holes In Deg:
60.0
Shaft Diameter:
Between 0.2495 inches and 0.2500 inches
Shaft Length:
Between 2.155 inches and 2.208 inches
Body Length:
0.910 inches
Mounting Lip Diameter:
2.0000 inches
Mounting Lip Depth:
0.0550 mils and 0.0670 centimeters
Mounting Hole/stud Circle Diameter:
Between 1.682 inches and 1.692 inches
Shaft Style:
Round, slotted
Shaft Bearing Type:
Ball
Actuator Type:
Double ended shaft
Effective Electrical Rotation In Deg Angular Rotation:
350.0
Maximum Starting Torque:
0.60 inch-ounces
Maximum Running Torque:
0.60 inch-ounces
Shaft End Play:
0.005 inches
Shaft Runout:
0.002 inches
Lateral Runout:
0.002 inches
Pilot Diameter Runout:
0.001 inches
Shaft Radial Play:
0.001 inches
Fragility Factor:
Moderately rugged
Screw Thread Diameter:
Between 0.076 inches and 0.096 inches
Screw Thread Series Designator:
Unc
Screw Thready Qty Per Inch (tpi):
56.0
Mounting Facility Quantity:
4
Terminal Location:
Radially positioned over more than half the circumference
Mounting Method:
Clamp ring and threaded hole
Features Provided:
Humidity proof
Cubic Measure:
0.910 cubic inches
Electrical Resistance Per Section:
2.0 percent, rated amperes c and better flooring
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation:
1000.0 single section
Rotary Actuator Travel In Angular Deg:
360.0
Function Conformity Tolerance Per Section:
-0.10/+0.10 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power:
125.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius:
-400.0/+400.0 single section
Power Dissipation Rating Per Section In Watts:
2.0 7th secondary quality
Function Conformity Per Section:
Single section independent linearity
Fixed Tap Quantity Per Section:
1 single section
Resistance Tolerance Per Section In Percent:
-10.0/+10.0 single section
Actuator Travel Control Feature:
Continuous motion
Function Characteristic Per Section:
7 oclock all primaries
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power:
25.0 single section
Test Data Document:
82577-960024 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity:
4 turret
NSN:
5905-01-279-7986
Item Name:
Potentiometer,conductive Plastic
Cage Code:
25413

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
FCP119H-25
Cage Code:
03929
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
200FL1-245
Cage Code:
08815
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
960024-4B
Cage Code:
82577
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Resistors
--------- Nonwire Wound Variable Resistors
------------ P/N 20SF7478

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Last Updated: 06/03/2024