Model: 77-001-743

Nonwire Wound Variable Resistor

Special Features:

Unthreaded shaft length is 0.304 in with hexagon shape and plastic drive

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Terminal Length
0.250 inches
Body Diameter
0.938 inches
Mounting Bushing Length
0.234 inches
Body Length
0.375 inches
Actuator Type
Recessed drive with slot
Effective Electrical Rotation In Deg Angular Rotation
300.0
Center To Center Distance Between Terminals
0.312 inches
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
Electrical Resistance Per Section
200.0 kilohms single section
Rotary Actuator Travel In Angular Deg
300.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.312 inches
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
60.0 single section
Power Dissipation Rating Per Section In Watts
2.5 free air single section
Resistance Tolerance Per Section In Percent
-20.0/+20.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
10.0 single section
Terminal Type And Quantity
1 pin and 2 pin clamp
NSN
5905-01-161-9688
Part Number
77-001-743
Description
Resistor,variable,nonwire Wound,
CAGE
07843

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 77-001-743 NSN 5905-01-161-9688

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:
D
ESD:
D
MMAC:
CRITL:
X

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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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