Model: 257456

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
2.922 inches
Body Diameter
1.875 inches
Shaft Diameter
0.250 inches
Shaft Length
0.812 inches
Mounting Bushing Length
0.375 inches
Body Length
2.094 inches
Overall Diameter
2.313 inches
Shaft Style
Round
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
3600.0
Maximum Starting Torque
2.00 inch-ounces
Maximum Running Torque
1.50 inch-ounces
Nonturn Device Location
At 12 oclock
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Standard bushing
Electrical Resistance Per Section
100.000 kilohms single section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
1850.0 single section and 1920.0 single section and 2070.0 single section and 2160.0 single section
Rotary Actuator Travel In Angular Deg
3600.0
Function Conformity Tolerance Per Section
-0.10/+0.10 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
80.0 single section
Power Dissipation Rating Per Section In Watts
7.0 free air single section
Function Conformity Per Section
Single section independent linearity
Fixed Tap Quantity Per Section
4 single section
Tap Location Tolerance Per Section
-1.0/+1.0 degrees angular rotation single section
Resistance Tolerance Per Section In Percent
-1.0 to 1.0 single section
Actuator Travel Control Feature
Clutch
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Terminal Type And Quantity
7 tab, solder lug
NSN
5905-00-049-6243
Part Number
257456
Description
Resistor,variable,nonwire Wound,
CAGE
1PQF4

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 257456 NSN 5905-00-049-6243

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:
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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