Model: 418138-78

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular w/mounting holes/slots
Reliability Indicator
Not established
Overall Length
Between 1.254 inches and 1.358 inches
Terminal Length
Between 0.469 inches and 0.624 inches
Overall Height
Between 0.749 inches and 0.998 inches
Overall Width
Between 0.235 inches and 0.300 inches
Mounting Hole Diameter
Between 0.088 inches and 0.098 inches
Shaft Diameter
Between 0.036 inches and 0.077 inches
Shaft Length
Between 0.100 inches and 0.140 inches
Body Length
Between 1.218 inches and 1.281 inches
Body Width
Between 0.235 inches and 0.300 inches
Body Height
Between 0.280 inches and 0.374 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 6120.0 and 9720.0
Maximum Starting Torque
8.00 inch-ounces
Center To Center Distance Between Terminals
Between 0.680 inches and 0.720 inches
Lateral Distance Between Mounting Hole Centers
Between 0.995 inches and 1.005 inches
Mounting Facility Quantity
2
Terminal Location
Lower adjacent side single row
Mounting Method
Unthreaded hole and terminal
Electrical Resistance Per Section
20.000 kilohms single section
Rotary Actuator Travel In Angular Deg
Between 6120.0 and 9720.0
Center To Center Distance Between Center Terminal And Outside Terminal
Between 0.290 inches and 0.310 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
0.75 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
Terminal Type And Quantity
3 pin
NSN
5905-00-057-2520
Part Number
418138-78
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 418138-78 NSN 5905-00-057-2520

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:
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: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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