Model: 21753

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
0.500 inches
Shaft Diameter
0.125 inches
Shaft Length
0.875 inches
Mounting Bushing Length
0.250 inches
Body Length
0.469 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
295.0
Nonturn Device Location
At 12 oclock
Nonturn Device Radius
0.450 inches
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Standard bushing
Features Provided
Panel seal
Electrical Resistance Per Section
5.0 kilohms single section
Rotary Actuator Travel In Angular Deg
295.0
Resistance Tempurature Characteristic Range Per Section In Percent
+0.0/+5.5 -55 degrees celsius single section and +0.0/+3.0 -25 degrees celsius single section and +0.0/+1.5 0 degrees celsius single section and -2.0/+2.0 85 degrees celsius single section and +0.0/+5.5 120 degrees celsius single section and +0.0/+6.5 150 degrees celsius single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
150.0 single section
Power Dissipation Rating Per Section In Watts
0.8 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
2 tab, solder lug
NSN
5905-00-904-0280
Part Number
21753
Description
Resistor,variable,nonwire Wound,
CAGE
81579

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 21753 NSN 5905-00-904-0280

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:
--
WCC:
72D
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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