Model: 139-37

Nonwire Wound Variable Resistor

Special Features:

Stainless steel non-magnetic shaft

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
1.297 mils and 1.327 centimeters
Shaft Diameter
Between 0.249 inches and 0.250 inches
Shaft Length
Between 0.844 inches and 0.906 inches
Mounting Bushing Length
Between 0.360 inches and 0.390 inches
Body Length
Between 0.610 inches and 0.640 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 335.0 and 345.0
Maximum Starting Torque
4.50 inch-ounces
Maximum Running Torque
4.00 inch-ounces
Maximum Stop Torque
128.00 inch-ounces
Nonturn Device Location
At 6 oclock
Nonturn Device Radius
Between 0.557 inches and 0.567 inches
Shaft End Play
0.008 inches
Shaft Runout
0.002 inches
Lateral Runout
0.005 inches
Pilot Diameter Runout
0.003 inches
Shaft Radial Play
0.003 inches
Fragility Factor
Moderately rugged
End Application
An/tyq-2 (v) 1
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Rear end
Mounting Method
Standard bushing
Features Provided
Humidity proof
Cubic Measure
0.845 cubic inches
Electrical Resistance Per Section
1.0 gallons per minute c and better flooring
Rotary Actuator Travel In Angular Deg
Between 335.0 and 345.0
Function Conformity Tolerance Per Section
-0.25/+0.25 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
71.0 single section
Power Dissipation Rating Per Section In Watts
2.0 7th secondary quality
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
7 oclock all primaries
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Precious Material And Location
Terminal surfaces gold
Precious Material
Gold
Terminal Type And Quantity
3 turret
NSN
5905-01-332-9925
Part Number
139-37
Description
Resistor,variable,nonwire Wound,
CAGE
02111

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 finctional tolerance (linearity) of the output is equal to or less 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 postioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rehostat 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, nonprecision; and resistor (1), variable, wire wound, precision.

Part 139-37 NSN 5905-01-332-9925

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37407
FIIG:
A002A0
Concept No.:
1
App. Key:
C
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:
G
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:
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:
72D
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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