Model: 311-152

Nonwire Wound Variable Resistor

Properties:

Section Quantity
2
Reliability Indicator
Not established
Shaft Diameter
0.250 inches
Shaft Length
0.750 inches
Mounting Bushing Length
0.375 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
0.531 inches
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Mounting Method
Standard bushing
Electrical Resistance Per Section
500.000 percent, rated amperes c and better finish
Electrical Resistance Per Section
500.000 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
500.000 kilohms 1st section
Electrical Resistance Per Section
500.000 kilohms 2nd section
Power Dissipation Rating Per Section In Watts
1.8 7th secondary pattern
Power Dissipation Rating Per Section In Watts
2.25 7th secondary finish
Power Dissipation Rating Per Section In Watts
1.8 free air 2nd section
Power Dissipation Rating Per Section In Watts
2.25 free air 1st section
Resistance Tolerance Per Section In Percent
-20.0/+20.0 2nd section
Resistance Tolerance Per Section In Percent
-20.0/+20.0 1st section
Resistance Tolerance Per Section In Percent
-20.0 to 20.0 1st section
Resistance Tolerance Per Section In Percent
-20.0 to 20.0 2nd section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
6 tab, solder lug
NSN
5905-00-764-3956
Part Number
311-152
Description
Resistor,variable,nonwire Wound,
CAGE
80009

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 311-152 NSN 5905-00-764-3956

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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