Model: 21054-1A

Nonwire Wound Variable Resistor

Properties:

Section Quantity
6
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
2.8750 inches
Pilot Length
0.0550 inches
Overall Length
5.750 inches
Undercut Diameter
2.875 inches
Undercut Width
0.0600 inches
Body Diameter
3.125 inches
Shaft Diameter
0.250 inches
Shaft Length
0.750 inches
Body Length
5.000 inches
Overall Diameter
3.625 inches
Mounting Lip Diameter
3.0050 inches
Mounting Lip Depth
0.0980 inches
Shaft Style
Round
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
350.0
Maximum Starting Torque
6.00 inch-ounces
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
10.0 percent, rated amperes c and better finish
Electrical Resistance Per Section
2.0 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
2.0 percent, rated amperes c and better v.G. Stepping
Electrical Resistance Per Section
2.5 percent, rated amperes c and better select
Electrical Resistance Per Section
7.0 percent, rated amperes c drop siding
Electrical Resistance Per Section
7.0 percent, rated amperes c finish
Rotary Actuator Travel In Angular Deg
360.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
160.0 all sections
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-400.0/+400.0 all sections
Power Dissipation Rating Per Section In Watts
0.5 free air all sections
Resistance Tolerance Per Section In Percent
+0.0/+20.0 3rd section
Resistance Tolerance Per Section In Percent
+0.0/+20.0 4th section
Resistance Tolerance Per Section In Percent
+0.0/+20.0 5th section
Resistance Tolerance Per Section In Percent
-0.5/+0.5 2nd section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 1st section
Resistance Tolerance Per Section In Percent
-1.0/+1.0 6th section
Actuator Travel Control Feature
Continuous motion
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 all sections
Terminal Type And Quantity
3 tab, solder lug
NSN
5905-00-832-5236
Part Number
21054-1A
Description
Resistor,variable,nonwire Wound,
CAGE
10112

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 21054-1A NSN 5905-00-832-5236

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

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:
00
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:
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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