CM20300-1

View detailed technical data, stock status, and sourcing information for: CM20300-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-500-8705

Item Name Code

37406

Assigment Date

01/01/1963 (63 years ago)

A coupler which permits the passage of electrical energy in either direction between a balanced and an unbalanced transmission line. See also coupler, rotary, radio frequency.

0.750 inches nominal body diameter, 0.125 inches nominal shaft diameter, not established reliability indicator, 1 section quantity, cylindrical bushing mounted body style

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
Body Diameter: 0.750 inches nominal
Shaft Diameter: 0.125 inches nominal
Shaft Length: 0.438 inches nominal
Mounting Bushing Length: 0.375 inches nominal
Body Length: 0.469 inches nominal
Shaft Style: round, slotted
Actuator Type: single shaft
Effective Electrical Rotation In Deg Angular Rotation: 300.0 nominal
Nonturn Device Location: at 9 oclock
Nonturn Device Radius: 0.234 inches nominal
Screw Thread Diameter: 0.250 inches nominal
Screw Thread Series Designator: unef
Screw Thread Quantity Per Inch: 32.0
Terminal Location: radially positioned over less than half the circumference
Mounting Method: locking bushing
Electrical Resistance Per Section: 200.000 ohms single section
Rotary Actuator Travel In Angular Deg: 300.0 nominal
Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power: 125.0 single section
Power Dissipation Rating Per Section In Watts: 1.5 free air single section
Resistance Tolerance Per Section In Percent: -5.0 to 50.0 single section
Actuator Travel Control Feature: stops
Ambient Temp In Deg Celsius Per Section At Full Rated Power: 40.0 single section
Terminal Type And Quantity: 3 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
182B555P1	Resistor,variable,wire Wound,non
CM20300-1	Resistor,variable,wire Wound,non

FAQs

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

What is the FSCG of the NSN 5905-00-500-8705?

The FSCG of the NSN 5905-00-500-8705 is 5905

Does the NSN 5905-00-500-8705 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-00-500-8705 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 5905-00-500-8705 contain precious materials?

Precious metal content is unknown

Does NSN 5905-00-500-8705 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 5905-00-500-8705 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963