Model: 502-125

Pre Wire Wound Variable Resistor
Description:

1 section quantity, cylindrical bushing mounted body style, 2.469 inches overall length, 1.625 inches body diameter, 0.125 inches shaft diameter.

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
2.469 inches
Body Diameter
1.625 inches
Shaft Diameter
0.125 inches
Shaft Length
0.813 inches
Mounting Bushing Length
0.313 inches
Body Length
Between 0.843 inches and 0.906 inches
Overall Diameter
Between 0.956 inches and 1.109 inches
Shaft Style
Round, slotted
Contact Arm Electrical Off Position
Fully ccw
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 3600.0 and 3610.0
Maximum Starting Torque
0.70 inch-ounces
Maximum Running Torque
0.60 inch-ounces
Maximum Stop Torque
80.00 inch-ounces
Nonturn Device Location
At 12 oclock
Nonturn Device Radius
Between 0.245 inches and 0.255 inches
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
0.002 inches
Mechanical Backlash In Deg Angular Rotation
1.5
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Standard bushing
Electrical Resistance Per Section
1.0 kilohms single section
Rotary Actuator Travel In Angular Deg
Between 3600.0 and 3610.0
Function Conformity Tolerance Per Section
-0.50 to 0.50 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
80.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-70.0 to 70.0 single section
Power Dissipation Rating Per Section In Watts
2.0 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-5.0 to 5.0 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Test Data Document
01714-g395805 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
3 tab, solder lug
NSN
5905-00-006-7642
Part Number
502-125
Description
Resistor,variable,wire Wound,pre
CAGE
02111

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 502-125 NSN 5905-00-006-7642

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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