Model: 938-189-0001

Non-wire Wound Variable Resistor

Special Features:

Second shaft 0.125 in. Nom dia, 1.563 in. Nom lg, 0.312 in. Nom flat lg, 0.094 in. Nom flat h

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Overall Length
3.438 inches
First Flat Length
0.437 inches
Flat Height
0.214 inches
Body Diameter
1.062 inches
Shaft Diameter
0.250 inches
Shaft Length
1.125 inches
Mounting Bushing Length
0.375 inches
Body Length
1.875 inches
Overall Diameter
1.374 inches
Shaft Style
Round, flatted
Switch Type
Rotary
Switch Voltage Rating In Volts
115.0
Actuator Type
Dual concentric
Effective Electrical Rotation In Deg Angular Rotation
320.0
Maximum Starting Torque
8.00 inch-ounces
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
0.437 inches
Shaft End Play
0.00300 inches
Shaft Runout
0.005 inches
Shaft Radial Play
0.001 inches
Mechanical Backlash In Deg Angular Rotation
6.0
Switch Operating Position
Start of rotation
Switch Contact Arrangement
Single pole, double throw, three positions maintained
Screw Thread Diameter
0.375 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
Features Provided
Switch
Electrical Resistance Per Section
5.000 megohms single section
Rotary Actuator Travel In Angular Deg
320.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 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
1.5 free air single section
Resistance Tolerance Per Section In Percent
-20.0/+20.0 single section
Resistance Tolerance Per Section In Percent
-20.0 to 20.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Switch Current Type And Rating In Amps
2.000 ac/dc
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
3 tab, solder lug and 3 turret
NSN
5905-00-138-4240
Part Number
938-189-0001
Description
Resistor,variable,non-wire Wound
CAGE
95542

Inc 29716 cancelled/replaced by ,inc 30407, fiig t150-f, app-key fd ,inc 37405, fiig a002a0, app-key b ,on 100112 ~all except usa

Part 938-189-0001 NSN 5905-00-138-4240

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29716
FIIG:
A002A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
C

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
N

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 3.0 X 3.0
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

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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