Model: 978-50K5K

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
Between 0.6240 inches and 0.6250 inches
Pilot Length
Between 0.0520 inches and 0.0720 inches
Overall Length
Between 2.702 inches and 2.791 inches
Undercut Diameter
0.624 inches
Undercut Width
0.0570 inches
Body Diameter
Between 0.870 inches and 0.880 inches
Shaft Diameter
0.624 inches
Shaft Length
Between 0.358 inches and 0.392 inches
Body Length
Between 2.292 inches and 2.327 inches
Overall Diameter
1.085 inches
Mounting Lip Diameter
Between 0.8700 inches and 0.8800 inches
Mounting Lip Depth
Between 0.0570 inches and 0.0620 inches
Shaft Style
Round
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
1800.0
Maximum Starting Torque
1.40 inch-ounces
Maximum Running Torque
1.20 inch-ounces
Maximum Stop Torque
160.00 inch-ounces
Shaft End Play
0.005 inches
Shaft Runout
0.001 inches
Lateral Runout
0.002 inches
Pilot Diameter Runout
0.001 inches
Shaft Radial Play
0.001 inches
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
5.0 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
50.0 percent, rated amperes c and better finish
Rotary Actuator Travel In Angular Deg
1800.0
Function Conformity Tolerance Per Section
-0.10/+0.10 1st section
Function Conformity Tolerance Per Section
-0.20/+0.20 2nd section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Power Dissipation Rating Per Section In Watts
1.9 free air all sections and 0.5 free air all sections
Function Conformity Per Section
2nd section terminal base linearity
Function Conformity Per Section
1st section zero based linearity
Fixed Tap Quantity Per Section
1 2nd section
Tap Location Tolerance Per Section
-5.0/+5.0 ohms all sections
Resistance Tolerance Per Section In Percent
-3.0/+3.0 all sections
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
All sections linear
Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-20.0/+20.0 all sections
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 all sections
Terminal Type And Quantity
6 solder stud
NSN
5905-00-808-5995
Part Number
978-50K5K
Description
Resistor,variable,wire Wound,pre
CAGE
04454

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 978-50K5K NSN 5905-00-808-5995

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

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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