Model: 78WS105-3

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
0.875 inches
Shaft Diameter
Between 0.1245 inches and 0.125 inches
Shaft Length
Between 0.670 inches and 0.710 inches
Mounting Bushing Length
Between 0.245 inches and 0.260 inches
Body Length
0.755 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
324.0
Maximum Starting Torque
1.75 inch-ounces
Maximum Running Torque
1.75 inch-ounces
Nonturn Device Location
At 12 oclock
Nonturn Device Radius
0.312 inches
Shaft End Play
0.006 inches
Shaft Radial Play
0.003 inches
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
10.092 percent, rated amperes c and better finish
Electrical Resistance Per Section
22.275 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
22.275 kilohms 2nd section
Rotary Actuator Travel In Angular Deg
345.0
Function Conformity Tolerance Per Section
-0.50/+0.50 all sections
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Power Dissipation Rating Per Section In Watts
1.0 free air all sections
Function Conformity Per Section
All sections independent linearity
Resistance Tolerance Per Section In Percent
-0.5/+0.5 1st section
Resistance Tolerance Per Section In Percent
-3.0/+3.0 2nd section
Resistance Tolerance Per Section In Percent
-0.5 to 0.5 1st section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
All sections linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 all sections
Terminal Type And Quantity
6 turret
NSN
5905-00-115-8080
Part Number
78WS105-3
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 78WS105-3 NSN 5905-00-115-8080

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:
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:
658
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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