Model: 749940

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
1.5620 inches
Pilot Length
Between 0.0570 inches and 0.0670 inches
Overall Length
2.750 inches
Undercut Diameter
1.625 inches
Undercut Width
0.0730 inches
Body Diameter
1.750 inches
Shaft Diameter
0.250 inches
Shaft Length
Between 0.594 inches and 0.656 inches
Body Length
2.094 inches
Overall Diameter
1.938 inches
Mounting Lip Diameter
1.7500 inches
Mounting Lip Depth
Between 0.0880 inches and 0.0980 inches
Shaft Style
Round
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
354.0
Maximum Starting Torque
3.00 inch-ounces
Maximum Running Torque
1.60 inch-ounces
Shaft Runout
0.001 inches
Lateral Runout
0.002 inches
Pilot Diameter Runout
0.00200 inches
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
50.0 kilohms all sections
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-0.50/+0.50 all sections
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
80.0 all sections
Power Dissipation Rating Per Section In Watts
3.4 free air all sections
Function Conformity Per Section
All sections independent linearity
Resistance Tolerance Per Section In Percent
-2.0/+2.0 all sections
Actuator Travel Control Feature
Continuous motion
Function Characteristic Per Section
All sections equation
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
80.0 all sections
Terminal Type And Quantity
6 solder stud
NSN
5905-00-578-4982
Part Number
749940
Description
Resistor,variable,wire Wound,pre
CAGE
56232

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 749940 NSN 5905-00-578-4982

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:
U
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:
00
LVL_A:
Q
LVL_B:
Q

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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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