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Pre Wire Wound Variable Resistor NSN 5905-00-851-2121

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 5905-00-851-2121 NSN: 5905-00-851-2121

Features and Characteristics

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
0.896 inches
Body Diameter
0.875 inches
Shaft Diameter
0.125 inches
Shaft Length
0.427 inches
Mounting Bushing Length
0.260 inches
Body Length
0.469 inches
Overall Diameter
0.917 inches
Shaft Style
Round
Shaft Bearing Type
Sleeve
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
320.0
Maximum Starting Torque
3.00 inch-ounces
Maximum Running Torque
0.50 inch-ounces
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
0.422 inches
Screw Thread Diameter
0.250 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
Humidity proof
Electrical Resistance Per Section
1.0 kilohms single section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
160.0 single section
Rotary Actuator Travel In Angular Deg
330.0
Function Conformity Tolerance Per Section
-1.00/+1.00 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
2.0 free air single section
Function Conformity Per Section
Single section independent linearity
Fixed Tap Quantity Per Section
1 single section
Tap Location Tolerance Per Section
-1.0/+1.0 degrees angular rotation single section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 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
80.0 single section
Terminal Type And Quantity
4 solder stud
FSC
5905 Resistors
NIIN
008512121
NSN
5905008512121

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
128600-01
Cage Code:
35351
Status:
A
MSDS:
Part Number:
55-50-093
Cage Code:
18065
Status:
A
MSDS:
Part Number:
14WB1-2402
Cage Code:
19176
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 5905-00-851-2121
What are the manufacturers of nsn 5905008512121?
Does this nsn 5905008512121 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5905008512121
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 5905008512121 contain any precious metals?
Precious metal content is unknown.
Does nsn 5905008512121 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5905008512121?
Has ESD sensitivity

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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