Model: 421-3781

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular
Reliability Indicator
Not established
Terminal Length
0.150 inches
Shaft Diameter
0.095 inches
Shaft Length
0.060 inches
Body Length
0.750 inches
Body Width
0.190 inches
Body Height
0.250 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
7200.0
Center To Center Distance Between Terminals
0.500 inches
Terminal Location
Lower adjacent side two rows
Mounting Method
Terminal
Center To Center Distance Between Terminal Rows
0.100 inches
Electrical Resistance Per Section
25.0 kilohms single section
Rotary Actuator Travel In Angular Deg
7200.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.200 inches
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
175.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-100.0/+100.0 single section
Power Dissipation Rating Per Section In Watts
0.75 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Clutch
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
3 pin
NSN
5905-01-012-8905
Part Number
421-3781
Description
Resistor,variable,nonwire Wound,
CAGE
A486G

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 421-3781 NSN 5905-01-012-8905

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:
B
ESD:
B
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
3
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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