Model: 78WS-422

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
0.7500 inches
Pilot Length
0.0620 inches
Overall Length
1.200 inches
First Flat Length
0.156 inches
Flat Height
0.094 inches
Undercut Diameter
0.750 inches
Undercut Width
0.0570 inches
Body Diameter
0.906 inches
Shaft Diameter
0.125 inches
Shaft Length
0.500 inches
Body Length
0.700 inches
Overall Diameter
1.312 inches
Mounting Lip Diameter
0.8750 inches
Mounting Lip Depth
0.0620 inches
Shaft Style
Round, flatted
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
110.0
Maximum Starting Torque
0.50 inch-ounces
Maximum Running Torque
0.50 inch-ounces
Maximum Stop Torque
48.00 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
0.002 inches
Fragility Factor
Moderately rugged
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Features Provided
Humidity proof
Cubic Measure
0.516 cubic inches
Electrical Resistance Per Section
1.0 kilohms single section
Rotary Actuator Travel In Angular Deg
110.0
Function Conformity Tolerance Per Section
-2.00/+2.00 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
150.0 single section
Power Dissipation Rating Per Section In Watts
0.4 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
Single section linear
Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-20.0/+20.0 single section
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
100.0 single section
Terminal Type And Quantity
3 solder stud
NSN
5905-01-188-1474
Part Number
78WS-422
Description
Resistor,variable,wire Wound,pre
CAGE
08815

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 78WS-422 NSN 5905-01-188-1474

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:
A
ESD:
ESD:
MMAC:
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:
M
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:
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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