Model: 538118-8

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular
Reliability Indicator
Not established
Terminal Length
Between 0.173 inches and 0.203 inches
Shaft Diameter
Between 0.060 inches and 0.090 inches
Shaft Length
0.050 inches
Body Length
Between 0.230 inches and 0.270 inches
Body Width
Between 0.145 inches and 0.185 inches
Body Height
Between 0.230 inches and 0.270 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 3600.0 and 9000.0
Maximum Starting Torque
3.00 inch-ounces
Maximum Running Torque
3.00 inch-ounces
Center To Center Distance Between Terminals
Between 0.195 inches and 0.205 inches
Fragility Factor
Moderately rugged
Terminal Location
Lower adjacent side two rows
Mounting Method
Terminal
Center To Center Distance Between Terminal Rows
Between 0.095 inches and 0.105 inches
Features Provided
Humidity proof
Cubic Measure
0.010 cubic inches
Electrical Resistance Per Section
2.0 percent, rated amperes c and better flooring
Electrical Resistance Per Section
2.0 kilohms single section
Rotary Actuator Travel In Angular Deg
4320.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.095 mils and 0.105 centimeters
Center To Center Distance Between Center Terminal And Outside Terminal
Between 0.095 inches and 0.105 inches
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
150.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-250.0/+250.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-250.0 to 250.0 single section
Power Dissipation Rating Per Section In Watts
0.25 7th secondary quality
Power Dissipation Rating Per Section In Watts
0.25 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Resistance Tolerance Per Section In Percent
-10.0 to 10.0 single section
Actuator Travel Control Feature
Clutch
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
85.0 single section
Standard Taper Curve Per Section
A single section
Test Data Document
81349-mil-r-22097 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
3 pin
Specification Data
81349-mil-r-22097/5 government specification
NSN
5905-00-517-9764
Part Number
538118-8
Description
Resistor,variable,nonwire Wound,
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 or 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, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

Part 538118-8 NSN 5905-00-517-9764

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37405
FIIG:
A002A0
Concept No.:
1
App. Key:
B
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:
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

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Schedule B and Export
  • Schedule B: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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