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Pre Wire Wound Variable Resistor NSN 5905-00-989-1951

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) 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.

NSN 5905-00-989-1951 NSN: 5905-00-989-1951

Features and Characteristics

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
2.735 inches
Body Diameter
Between 1.745 inches and 1.755 inches
Shaft Diameter
Between 0.249 inches and 0.250 inches
Shaft Length
Between 0.780 inches and 0.840 inches
Mounting Bushing Length
0.313 inches
Body Length
Between 1.918 inches and 1.932 inches
Overall Diameter
1.935 inches
Shaft Style
Round
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
3600.0
Maximum Starting Torque
1.50 inch-ounces
Maximum Running Torque
1.20 inch-ounces
Nonturn Device Location
At 12 oclock
Nonturn Device Radius
Between 0.555 inches and 0.567 inches
Shaft End Play
0.005 inches
Shaft Runout
0.0005 inches
Lateral Runout
0.0025 inches
Pilot Diameter Runout
0.0015 inches
Shaft Radial Play
0.002 inches
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Standard bushing
Features Provided
Nonmetallic shaft
Electrical Resistance Per Section
5.0 kilohms single section
Rotary Actuator Travel In Angular Deg
3600.0
Function Conformity Tolerance Per Section
-0.025/+0.025 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
7.0 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-3.0/+3.0 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
Single section linear
Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-20.0/+20.0 single section
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
60.0 single section
Precious Material And Location
Terminals gold
Precious Material
Gold
Terminal Type And Quantity
3 turret
FSC
5905 Resistors
NIIN
009891951
NSN
5905009891951

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3702R5K3L025
Cage Code:
11534
Status:
A
MSDS:
Part Number:
621-455-9002
Cage Code:
70210
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 5905-00-989-1951
What are the manufacturers of nsn 5905009891951?
Does this nsn 5905009891951 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5905009891951
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.
Does nsn 5905009891951 contain any precious metals?
Item contains gold.
Does nsn 5905009891951 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5905009891951?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
37408
FIIG:
A002A0
App. Key:
D
Cond. Code:
1
Status:
A

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