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Non Wire Wound Variable Resistor NSN 5905-00-812-0452

Item Description

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.

NSN 5905-00-812-0452 NSN: 5905-00-812-0452

Features and Characteristics

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
Between 1.944 inches and 2.186 inches
Body Diameter
Between 1.100 inches and 1.310 inches
Shaft Diameter
Between 0.248 inches and 0.251 inches
Shaft Length
Between 0.844 inches and 0.906 inches
Mounting Bushing Length
Between 0.360 inches and 0.390 inches
Body Length
Between 0.850 inches and 0.970 inches
Overall Diameter
1.750 inches
Shaft Style
Round, slotted
Switch Type
Rotary
Switch Voltage Rating In Volts
117.0
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 220.0 and 285.0
Maximum Starting Torque
6.00 inch-ounces
Maximum Stop Torque
128.00 inch-ounces
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
Between 0.516 inches and 0.546 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
Features Provided
Switch
Electrical Resistance Per Section
20.0 ohms single section
Rotary Actuator Travel In Angular Deg
Between 290.0 and 305.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
105.0 single section
Power Dissipation Rating Per Section In Watts
2.0 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Switch Current Type And Rating In Amps
3.000 ac
Standard Taper Curve Per Section
A single section
Test Data Document
81349-mil-r-19 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
5 tab, solder lug
Specification Data
81349-mil-r-19/2 government specification
FSC
5905 Resistors
NIIN
008120452
NSN
5905008120452

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RA20NBSD200A
Cage Code:
99942
Status:
A
MSDS:
Part Number:
MILR19
Cage Code:
81349
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8533390080
  • NAICS: 334416
  • SITC: 77233
  • Description: Wirewound variable resistors, nesoi
  • End Use (Code 20005):
    Electric apparatus

Q & A

Frequently asked questions for NSN 5905-00-812-0452
What are the manufacturers of nsn 5905008120452?
Does this nsn 5905008120452 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5905008120452
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.
Does nsn 5905008120452 contain any precious metals?
Precious metal content is unknown.
Does nsn 5905008120452 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5905008120452?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
App. Key:
A
Cond. Code:
1
Status:
A

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