Model: 55-25-947

Non Wire Wound Variable Resistor

Special Features:

Nine taps supplied and mounted at time of procurement; shaft has a female coupling unit that attaches when in use

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
1.9370 inches
Pilot Length
0.0320 inches
Undercut Diameter
Between 1.938 inches and 1.939 inches
Undercut Width
0.1200 inches
Body Diameter
2.000 inches
Shaft Diameter
0.250 inches
Shaft Length
0.250 inches
Body Length
0.974 inches
Mounting Lip Diameter
2.0000 inches
Mounting Lip Depth
0.0750 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
360.0
Maximum Starting Torque
0.60 inch-ounces
Maximum Running Torque
0.60 inch-ounces
Shaft End Play
0.00600 inches
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Features Provided
Pressure mounted tap
Electrical Resistance Per Section
20.000 kilohms single section
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-3.00/+3.00 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
80.0 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
4.0 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Continuous motion
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Terminal Type And Quantity
12 turret
NSN
5905-00-919-4254
Part Number
55-25-947
Description
Resistor,variable,wire Wound,non
CAGE
18065

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 of 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, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

Part 55-25-947 NSN 5905-00-919-4254

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
Concept No.:
1
App. Key:
A
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

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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