Model: RR3900C2A7J503

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
1.062 centimeters
Shaft Diameter
Between 0.120 inches and 0.130 inches
Shaft Length
Between 0.968 inches and 1.031 inches
Mounting Bushing Length
Between 0.230 inches and 0.270 inches
Body Length
2.187 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 1800.0 and 1804.0
Maximum Starting Torque
0.50 inch-ounces
Maximum Running Torque
0.40 inch-ounces
Maximum Stop Torque
48.00 inch-ounces
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
0.002 inches
Lateral Runout
0.002 inches
Pilot Diameter Runout
0.001 inches
Shaft Radial Play
0.002 inches
Mechanical Backlash In Deg Angular Rotation
1.0
Fragility Factor
Moderately rugged
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Standard bushing
Features Provided
Humidity proof
Cubic Measure
1.936 cubic inches
Electrical Resistance Per Section
50.0 percent, rated amperes c and better flooring
Rotary Actuator Travel In Angular Deg
Between 1800.0 and 1810.0
Function Conformity Tolerance Per Section
-1.00/+1.00 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 single section
Power Dissipation Rating Per Section In Watts
1.5 7th secondary quality
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
7 oclock all primaries
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
3 tab, solder lug
Specification Data
81349-mil-r-12934/30 government specification
NSN
5905-01-294-6657
Part Number
RR3900C2A7J503
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 RR3900C2A7J503 NSN 5905-01-294-6657

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
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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