875A1786

View detailed technical data, stock status, and sourcing information for: 875A1786
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-138-9518

Item Name Code

37406

Assigment Date

09/22/1982 (43 years ago)

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 or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, and the like, 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, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

1.220 inches nominal body diameter, cylindrical bushing mounted body style, 1 section quantity, 2.065 inches nominal overall length, not established reliability indicator

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Section Quantity: 1
Body Style: cylindrical bushing mounted
Reliability Indicator: not established
Overall Length: 2.065 inches nominal
Body Diameter: 1.220 inches nominal
Shaft Diameter: 0.250 inches nominal
Shaft Length: 0.875 inches nominal
Mounting Bushing Length: 0.375 inches nominal
Body Length: 0.910 inches nominal
Overall Diameter: 1.750 inches nominal
Shaft Style: round, slotted
Shaft Bearing Type: unable to decode
Switch Type: rotary
Switch Voltage Rating In Volts: 117.0
Actuator Type: single shaft
Effective Electrical Rotation In Deg Angular Rotation: 220.0 minimum and 285.0 maximum
Maximum Starting Torque: 21.00 inch-ounces
Maximum Running Torque: 21.00 inch-ounces
Maximum Stop Torque: 128.00 inch-ounces
Nonturn Device Location: at 9 oclock
Nonturn Device Radius: 0.531 inches nominal
Switch Operating Position: start of rotation
Switch Contact Arrangement: double pole, single throw, normally open
Fragility Factor: moderately rugged
Screw Thread Diameter: 0.375 inches nominal
Screw Thread Series Designator: unef
Screw Thread Quantity Per Inch: 32.0
Terminal Location: rear-bottom
Mounting Method: standard bushing
Features Provided: switch
Electrical Resistance Per Section: 20.0 ohms single section
Rotary Actuator Travel In Angular Deg: 200.0 minimum and 305.0 maximum
Ambient Temp 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 to 10.0 single section
Actuator Travel Control Feature: stops
Temp Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius: -20.0 to 20.0 single section
Ambient Temp In Deg Celsius Per Section At Full Rated Power: 40.0 single section
Switch Current Type And Rating In Amps: 3.000 ac
Terminal Type And Quantity: 7 tab, solder lug

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
875A1786	Resistor,variable,wire Wound,non
875A1786REV B	Resistor,variable,wire Wound,non
CM43094	Resistor,variable,wire Wound,non

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5905-01-138-9518?

The FSCG of the NSN 5905-01-138-9518 is 5905

Does the NSN 5905-01-138-9518 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-01-138-9518 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5905-01-138-9518 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-01-138-9518 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5905-01-138-9518 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Sep 22, 1982