Model: 1890993-1

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
0.9680 inches
Pilot Length
0.0620 inches
Undercut Diameter
0.975 inches
Undercut Width
0.0570 inches
Body Diameter
1.080 inches
Shaft Diameter
Between 0.1244 inches and 0.1247 inches
Shaft Length
0.500 inches
Body Length
0.810 inches
Mounting Lip Diameter
1.0620 inches
Mounting Lip Depth
0.0620 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Bearing
Switch Type
Rotary
Switch Voltage Rating In Volts
25.0
Actuator Type
Double ended shaft
Effective Electrical Rotation In Deg Angular Rotation
336.8
Maximum Starting Torque
0.90 inch-ounces
Maximum Running Torque
0.90 inch-ounces
Shaft End Play
0.005 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
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Features Provided
Switch and hermetically sealed
Electrical Resistance Per Section
20.0 kilohms single section
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-0.05/+0.05 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
110.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-20.0/+20.0 single section
Power Dissipation Rating Per Section In Watts
0.5 free air single section
Function Conformity Per Section
Single section absolute linearity
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Continuous motion
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Switch Current Type And Rating In Amps
1.000 dc
Terminal Type And Quantity
5 turret
NSN
5905-00-122-2436
Part Number
1890993-1
Description
Resistor,variable,wire Wound,pre
CAGE
55972

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 1890993-1 NSN 5905-00-122-2436

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:
M
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:
658
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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