Model: 539042-1

Non Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
3.427 inches
Body Diameter
0.781 inches
Shaft Diameter
0.250 inches
Shaft Length
1.444 inches
Mounting Bushing Length
0.250 inches
Body Length
1.140 inches
Overall Diameter
0.967 inches
Undercut Diameter
0.125 inches
Shaft Style
Round, stepped
Switch Type
Rotary
Switch Voltage Rating In Volts
125.0
Actuator Type
Dual concentric
Effective Electrical Rotation In Deg Angular Rotation
260.0
Nonturn Device Radius
0.437 inches
Switch Operating Position
Start of rotation
Switch Contact Arrangement
Single pole, single throw, normally open, both positions maintained
Undercut Length
0.444 inches
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
20.0
Terminal Location
Rear-bottom
Mounting Method
Standard bushing
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
50.0 ohms all sections
Rotary Actuator Travel In Angular Deg
260.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-250.0/+250.0 all sections
Power Dissipation Rating Per Section In Watts
0.5 free air all sections
Resistance Tolerance Per Section In Percent
-10.0/+10.0 all sections
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 all sections
Switch Current Type And Rating In Amps
2.000 dc
Standard Taper Curve Per Section
A all sections
Terminal Type And Quantity
6 tab, solder lug
NSN
5905-01-016-0026
Part Number
539042-1
Description
Resistor,variable,wire Wound,non
CAGE
96214

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), if given, of the output is greater than plus of minus 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, precision.

Part 539042-1 NSN 5905-01-016-0026

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
Concept No.:
1
App. Key:
A
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:
B
ESD:
B
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
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:
3
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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