Model: 2557878-1

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
Between 1.31200 inches and 1.31250 inches
Pilot Length
0.06200 inches
Overall Length
Between 2.541 inches and 2.603 inches
Terminal Length
0.281 inches
Undercut Diameter
1.312 inches
Undercut Width
0.07300 inches
Body Diameter
Between 1.432 inches and 1.442 inches
Shaft Diameter
0.187 inches
Shaft Length
Between 0.641 inches and 0.703 inches
Body Length
1.900 inches
Overall Diameter
Between 1.716 inches and 1.721 inches
Mounting Lip Diameter
Between 1.43200 inches and 1.44200 inches
Mounting Lip Depth
0.09300 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
340.0
Maximum Starting Torque
0.80 inch-ounces
Maximum Running Torque
0.80 inch-ounces
Shaft End Play
0.00600 inches
Shaft Runout
0.001 inches
Lateral Runout
0.002 inches
Pilot Diameter Runout
0.00100 inches
Shaft Radial Play
0.002 inches
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
10.000 percent, rated amperes c and better finish
Electrical Resistance Per Section
10.000 percent, rated amperes c and better industrial clears
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-1.00/+1.00 all sections
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
-20.0/+20.0 single section
Power Dissipation Rating Per Section In Watts
2.0 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-10.0/+10.0 all sections
Actuator Travel Control Feature
Continuous motion
Function Characteristic Per Section
Single section equation
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Test Data Document
10001-2557878 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
3 turret
NSN
5905-00-929-8825
Part Number
2557878-1
Description
Resistor,variable,wire Wound,pre
CAGE
10001

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) of the output is equal to or less than plus or munus 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, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, nonprecision.

Part 2557878-1 NSN 5905-00-929-8825

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37408
FIIG:
A002A0
Concept No.:
1
App. Key:
D
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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