Model: 121868

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
3
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
0.7500 inches
Pilot Length
0.0620 inches
Overall Length
4.687 inches
Undercut Diameter
Between 2.374 inches and 2.375 inches
Undercut Width
0.0620 inches
Body Diameter
2.500 inches
Shaft Diameter
Between 0.1871 inches and 0.1874 inches
Shaft Length
0.688 inches
Body Length
3.437 inches
Mounting Lip Diameter
2.5000 inches
Mounting Lip Depth
0.0620 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Double ended shaft
Effective Electrical Rotation In Deg Angular Rotation
360.0
Maximum Starting Torque
8.00 inch-ounces
Maximum Running Torque
0.60 inch-ounces
Shaft End Play
0.00500 inches
Shaft Runout
0.001 inches
Lateral Runout
0.002 inches
Pilot Diameter Runout
0.00100 inches
Shaft Radial Play
0.002 inches
Mechanical Backlash In Deg Angular Rotation
0.25
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
20.000 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
20.000 percent, rated amperes c and better select
Electrical Resistance Per Section
30.000 percent, rated amperes c and better finish
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
90.0 1st section and 180.0 1st section and 270.0 1st section
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-0.10/+0.10 1st section
Function Conformity Tolerance Per Section
-0.50/+0.50 2nd section
Function Conformity Tolerance Per Section
-0.50/+0.50 3rd section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Power Dissipation Rating Per Section In Watts
3.0 free air all sections
Function Conformity Per Section
All sections absolute linearity
Fixed Tap Quantity Per Section
2 1st section
Tap Location Tolerance Per Section
-0.18/+0.18 degrees angular rotation 1st section
Tap Location Tolerance Per Section
-1.0/+1.0 degrees angular rotation 1st section
Resistance Tolerance Per Section In Percent
-2.0/+2.0 1st section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 2nd section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 3rd section
Actuator Travel Control Feature
Continuous motion
Function Characteristic Per Section
10 oclock single primary
Function Characteristic Per Section
9 oclock single primary
Function Characteristic Per Section
8 oclock all primaries
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 all sections
Terminal Type And Quantity
17 turret
NSN
5905-00-688-7013
Part Number
121868
Description
Resistor,variable,wire Wound,pre
CAGE
24930

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 121868 NSN 5905-00-688-7013

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:
0.6000lbs
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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