Model: 81A1D-B24-C18

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular bushing mounted
Reliability Indicator
Not established
Terminal Length
0.500 inches
Shaft Diameter
0.250 inches
Shaft Length
0.750 inches
Mounting Bushing Length
Between 0.360 inches and 0.390 inches
Body Length
Between 0.610 inches and 0.640 inches
Body Width
Between 0.610 inches and 0.640 inches
Body Height
Between 0.610 inches and 0.640 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 234.0 and 246.0
Maximum Starting Torque
1.50 inch-ounces
Maximum Running Torque
1.50 inch-ounces
Maximum Stop Torque
64.00 inch-ounces
Center To Center Distance Between Terminals
Between 0.185 inches and 0.215 inches
Fragility Factor
Moderately rugged
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Lower adjacent side two rows
Mounting Method
Standard bushing
Center To Center Distance Between Terminal Rows
Between 0.185 inches and 0.215 inches
Features Provided
Humidity proof
Cubic Measure
0.244 cubic inches
Electrical Resistance Per Section
50.0 percent, rated amperes c and better flooring
Rotary Actuator Travel In Angular Deg
Between 295.0 and 305.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.185 mils and 0.215 centimeters
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-150.0/+150.0 single section
Power Dissipation Rating Per Section In Watts
2.0 7th secondary quality
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
V single section
Terminal Type And Quantity
3 pin
NSN
5905-01-291-0671
Part Number
81A1D-B24-C18
Description
Resistor,variable,nonwire Wound,
CAGE
3Z867

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 81A1D-B24-C18 NSN 5905-01-291-0671

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:
A
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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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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