Model: RR3900C2C7J203

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
1.000 inches
Shaft Diameter
Between 0.120 inches and 0.130 inches
Shaft Length
Between 0.594 inches and 0.656 inches
Mounting Bushing Length
Between 0.230 inches and 0.270 inches
Body Length
1.750 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 1800.0 and 1804.0
Nonturn Device Location
At 12 oclock
Nonturn Device Radius
Between 0.307 inches and 0.317 inches
Shaft End Play
0.005 inches
Shaft Runout
0.001 inches
Lateral Runout
0.003 inches
Pilot Diameter Runout
0.002 inches
Shaft Radial Play
0.003 inches
End Application
Polar class icebreaker control consoles
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Locking bushing
Features Provided
Shaft locking device
Electrical Resistance Per Section
20.0 kilohms single section
Rotary Actuator Travel In Angular Deg
Between 1800.0 and 1804.0
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
-70.0/+70.0 single section
Power Dissipation Rating Per Section In Watts
2.0 free air single section
Resistance Tolerance Per Section In Percent
-3.0/+3.0 single section
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Test Data Document
81349-mil-r-12934 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
2 turret
Specification Data
23905-4910+9531 manufacturers specification control
NSN
5905-01-388-6317
Part Number
RR3900C2C7J203
Description
Resistor,variable,wire Wound,pre
CAGE
81349

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 RR3900C2C7J203 NSN 5905-01-388-6317

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:
A
ESD:
A
MMAC:
CRITL:
X

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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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