Model: A428

Nonwire Wound Variable Resistor

Special Features:

Spur gear construction

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
1.5620 inches
Pilot Length
0.0600 inches
Overall Length
1.475 inches
First Flat Length
0.250 inches
Flat Height
0.213 inches
Undercut Diameter
1.625 inches
Undercut Width
0.0930 inches
Body Diameter
1.750 inches
Shaft Diameter
0.250 inches
Shaft Length
0.750 inches
Body Length
0.725 inches
Overall Diameter
2.000 inches
Mounting Lip Diameter
1.7500 inches
Mounting Lip Depth
0.0930 inches
Shaft Style
Round, flatted
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
200.0
Maximum Starting Torque
1.40 inch-ounces
Maximum Running Torque
1.40 inch-ounces
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
5.0 kilohms single section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
100.0 single section
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-0.25/+0.25 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
95.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-400.0/+400.0 single section
Power Dissipation Rating Per Section In Watts
4.0 free air single section
Function Conformity Per Section
Single section zero based linearity
Fixed Tap Quantity Per Section
1 single section
Tap Location Tolerance Per Section
-65.0/+65.0 degrees angular rotation single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Continuous motion
Tap Location From Ccw Terminal Per Section In Ohms
2500.0 single section
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Test Data Document
97942-580r08 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
4 turret
NSN
5905-00-454-6793
Part Number
A428
Description
Resistor,variable,nonwire Wound,
CAGE
04454

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 finctional tolerance (linearity) of the output is equal to or less 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 postioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rehostat 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, nonprecision; and resistor (1), variable, wire wound, precision.

Part A428 NSN 5905-00-454-6793

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37407
FIIG:
A002A0
Concept No.:
1
App. Key:
C
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:
EH
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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