Model: 71-820

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
5
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
Between 2.8740 inches and 2.8750 inches
Pilot Length
0.0620 inches
Overall Length
4.055 inches
Undercut Diameter
2.825 inches
Undercut Width
0.0730 inches
Body Diameter
3.000 inches
Shaft Diameter
0.249 inches
Shaft Length
Between 0.594 inches and 0.656 inches
Body Length
3.305 inches
Overall Diameter
3.256 inches
Mounting Lip Diameter
3.0000 inches
Mounting Lip Depth
0.0930 inches
Shaft Style
Round, slotted
Actuator Type
Double ended shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 357.0 and 359.0
Maximum Starting Torque
4.30 inch-ounces
Maximum Running Torque
3.10 inch-ounces
Shaft End Play
0.001 inches
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Clamp ring
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
5.0 megohms all sections
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
10.0 1st section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
300.0 2nd section
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-1.00/+1.00 2nd section
Function Conformity Tolerance Per Section
-1.00/+1.00 3rd section
Function Conformity Tolerance Per Section
-1.00/+1.00 4th section
Function Conformity Tolerance Per Section
-1.00/+1.00 5th section
Function Conformity Tolerance Per Section
-3.00/+3.00 1st section
Power Dissipation Rating Per Section In Watts
2.0 free air all sections
Fixed Tap Quantity Per Section
2 5th section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 all sections
Actuator Travel Control Feature
Continuous motion
Function Characteristic Per Section
All sections table
Test Data Document
10001-1472219 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
17 tab, solder lug
NSN
5905-00-593-8253
Part Number
71-820
Description
Resistor,variable,wire Wound,pre
CAGE
56232

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 71-820 NSN 5905-00-593-8253

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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.5000lbs
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: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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