Model: 2890904-1

Non Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
2.047 inches
Body Diameter
1.120 inches
Shaft Diameter
0.250 inches
Shaft Length
0.370 inches
Mounting Bushing Length
0.380 inches
Body Length
1.265 inches
Overall Diameter
1.370 inches
Shaft Style
Round
Shaft Bearing Type
Bearing
Switch Type
Rotary
Switch Voltage Rating In Volts
28.0
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 180.0 and 220.0
Maximum Starting Torque
15.00 inch-ounces
Maximum Running Torque
6.00 inch-ounces
Maximum Stop Torque
128.00 inch-ounces
Nonturn Device Location
At 6 oclock
Nonturn Device Radius
0.437 inches
Shaft End Play
0.001 inches
Shaft Runout
0.001 inches
Lateral Runout
0.001 inches
Pilot Diameter Runout
0.001 inches
Shaft Radial Play
0.001 inches
Switch Operating Position
Start of rotation
Switch Contact Arrangement
Single pole, single throw, normally open, both positions maintained
Screw Thread Diameter
0.375 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 and clamp ring
Features Provided
Switch
Electrical Resistance Per Section
2.0 kilohms all sections
Rotary Actuator Travel In Angular Deg
Between 180.0 and 220.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-20.0/+20.0 all sections
Power Dissipation Rating Per Section In Watts
2.0 free air all sections
Fixed Tap Quantity Per Section
1 all sections
Tap Location Tolerance Per Section
-10.0/+10.0 ohms all sections
Resistance Tolerance Per Section In Percent
-10.0/+10.0 all sections
Actuator Travel Control Feature
Spring
Tap Location From Ccw Terminal Per Section In Ohms
1000.0 all sections
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
60.0 all sections
Switch Current Type And Rating In Amps
0.250 dc
Standard Taper Curve Per Section
A all sections
Test Data Document
10001-2890904 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
6 turret
NSN
5905-01-020-9326
Part Number
2890904-1
Description
Resistor,variable,wire Wound,non
CAGE
10001

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 of 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, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

Part 2890904-1 NSN 5905-01-020-9326

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
Concept No.:
1
App. Key:
A
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:
0.1000lbs
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:
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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