81C1A-E20-E07

View detailed technical data, stock status, and sourcing information for: 81C1A-E20-E07
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-145-4550

Item Name Code

37405

Assigment Date

01/12/1983 (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 section quantity, 0.109 inches nominal terminal length, rectangular bushing mounted body style, not established reliability indicator, 1.266 inches nominal overall length

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: rectangular bushing mounted
Reliability Indicator: not established
Overall Length: 1.266 inches nominal
Terminal Length: 0.109 inches nominal
Overall Height: 0.750 inches nominal
Overall Width: 0.641 inches nominal
Shaft Diameter: 0.125 inches nominal
Shaft Length: 0.625 inches nominal
Mounting Bushing Length: 0.250 inches nominal
Body Length: 0.641 inches nominal
Body Width: 0.641 inches nominal
Body Height: 0.641 inches nominal
Shaft Style: round
Actuator Type: single shaft
Effective Electrical Rotation In Deg Angular Rotation: 260.0 nominal
Maximum Starting Torque: 1.50 inch-ounces
Maximum Running Torque: 1.50 inch-ounces
Maximum Stop Torque: 64.00 inch-ounces
Nonturn Device Radius: 0.305 inches nominal
Center To Center Distance Between Terminals: 0.200 inches nominal
Screw Thread Diameter: 0.250 inches nominal
Screw Thread Series Designator: unef
Screw Thread Quantity Per Inch: 32.0
Mounting Method: standard bushing
Center To Center Distance Between Terminal Rows: 0.200 inches nominal
Features Provided: humidity proof
Electrical Resistance Per Section: 250.000 ohms single section
Rotary Actuator Travel In Angular Deg: 300.0 nominal
Center To Center Distance Between Center Terminal And Outside Terminal: 0.200 inches nominal
Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power: 125.0 single section
Device Design Type: nonturn at 9 oclock
Terminal Location: lower adjacent side two rows
Temp Coefficient Of Resistance Per Section In Ppm Per Deg Celsius: -100.0 to 100.0 single section
Power Dissipation Rating Per Section In Watts: 1.0 free air single section
Resistance Tolerance Per Section In Percent: -10.0 to 10.0 single section
Actuator Travel Control Feature: stops
Ambient Temp In Deg Celsius Per Section At Full Rated Power: 70.0 single section
Shaft Bearing Type: sleeve
Terminal Type And Quantity: 3 pin

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
2100-3433	Resistor,variable,nonwire Wound,
73U1G040R251U	Resistor,variable,nonwire Wound,
81C1A-E20-E07	Resistor,variable,nonwire Wound,

FAQs

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

What is the FSCG of the NSN 5905-01-145-4550?

The FSCG of the NSN 5905-01-145-4550 is 5905

Does the NSN 5905-01-145-4550 have a Schedule B code assigned?

Yes, the Schedule B code is 8533400080

Does NSN 5905-01-145-4550 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5905-01-145-4550 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-01-145-4550 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 5905-01-145-4550 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Jan 12, 1983