Model: 12890

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
Between 0.7495 inches and 0.7500 inches
Pilot Length
Between 0.0570 inches and 0.0670 inches
Undercut Diameter
0.781 inches
Undercut Width
Between 0.0570 inches and 0.0670 inches
Body Diameter
Between 0.840 inches and 0.850 inches
Shaft Diameter
Between 0.245 inches and 0.248 inches
Shaft Length
Between 1.559 inches and 1.621 inches
Body Length
0.625 inches
Mounting Lip Diameter
Between 0.8700 inches and 0.8800 inches
Mounting Lip Depth
Between 0.0570 inches and 0.0670 inches
Undercut Diameter
Between 0.116 inches and 0.117 inches
Shaft Style
Round, stepped
Shaft Bearing Type
Ball
Actuator Type
Double ended shaft
Effective Electrical Rotation In Deg Angular Rotation
360.0
Maximum Starting Torque
0.27 inch-ounces
Maximum Running Torque
0.27 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
Fragility Factor
Moderately rugged
Undercut Length
Between 0.105 inches and 0.115 inches
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Features Provided
Humidity proof
Electrical Resistance Per Section
6.0 kilohms single section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
336.0 single section
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-0.15/+0.15 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
1.0 free air single section
Function Conformity Per Section
Single section independent linearity
Fixed Tap Quantity Per Section
1 single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Continuous motion
Tap Location From Ccw Terminal Per Section In Ohms
150.0 single section
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Test Data Document
89305-484829 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
4 turret
NSN
5905-01-127-1837
Part Number
12890
Description
Resistor,variable,nonwire Wound,
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), if given, of the output is greater than plus or minus 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, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

Part 12890 NSN 5905-01-127-1837

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37405
FIIG:
A002A0
Concept No.:
1
App. Key:
B
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:
B
ESD:
B
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
3
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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