Model: 42457A

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
3
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
0.7500 inches
Pilot Length
0.0620 inches
Undercut Diameter
0.781 inches
Undercut Width
0.0620 inches
Body Diameter
0.875 inches
Shaft Diameter
Between 0.1246 inches and 0.1249 inches
Shaft Length
0.500 inches
Body Length
1.300 inches
Mounting Lip Diameter
0.8750 inches
Mounting Lip Depth
0.0620 inches
Shaft Style
Round
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
310.0
Maximum Starting Torque
3.50 inch-ounces
Shaft Radial Play
0.003 inches
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
100.0 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
100.0 percent, rated amperes c and better select
Electrical Resistance Per Section
50.0 percent, rated amperes c and better finish
Electrical Resistance Per Section
50.0 kilohms 1st section
Electrical Resistance Per Section
100.0 kilohms 3rd section
Rotary Actuator Travel In Angular Deg
320.0
Function Conformity Tolerance Per Section
-0.50/+0.50 all sections
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Power Dissipation Rating Per Section In Watts
5.0 free air all sections
Function Conformity Per Section
All sections independent linearity
Fixed Tap Quantity Per Section
1 3rd section
Tap Location Tolerance Per Section
-5.0/+5.0 ohms 3rd section
Tap Location Tolerance Per Section
-5.0 to 5.0 ohms 3rd section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 all sections
Actuator Travel Control Feature
Stops
Tap Location From Ccw Terminal Per Section In Ohms
50000.0 3rd section
Function Characteristic Per Section
All sections linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
65.0 all sections
Terminal Type And Quantity
10 turret
NSN
5905-00-106-1417
Part Number
42457A
Description
Resistor,variable,wire Wound,pre
CAGE
92755

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 42457A NSN 5905-00-106-1417

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:
--
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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