Model: 71-20249-01

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
Between 1.500 inches and 1.562 inches
Shaft Diameter
Between 1.531 inches and 1.593 inches
Shaft Length
Between 0.249 inches and 0.251 inches
Mounting Bushing Length
0.375 inches
Body Length
0.713 inches
Overall Diameter
1.090 inches
Shaft Style
Round
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 290.0 and 305.0
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
0.516 inches
Fragility Factor
Moderately delicate
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
Humidity proof
Electrical Resistance Per Section
250.0 ohms single section
Rotary Actuator Travel In Angular Deg
Between 290.0 and 305.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
105.0 single section
Power Dissipation Rating Per Section In Watts
4.0 free air single section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
3 tab, solder lug
NSN
5905-01-474-3080
Part Number
71-20249-01
Description
Resistor,variable,nonwire Wound,
CAGE
63778

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 71-20249-01 NSN 5905-01-474-3080

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:
A
ESD:
A
ESD:
A
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:
00
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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