3351R20K

View detailed technical data, stock status, and sourcing information for: 3351R20K
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-495-6752

Item Name Code

37407

Assigment Date

07/02/1974 (52 years ago)

An item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. Either the brush or the surface is continually moving during the transfer of energy. The brush is usually composed in part of some form of the element carbon. Includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. Does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. Excludes: contact, electrical; and contact assembly, electrical.

1.828 inches nominal overall length, cylindrical bushing mounted body style, 1.312 inches nominal body diameter, 1 section quantity, 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: 1.828 inches nominal
Body Diameter: 1.312 inches nominal
Shaft Diameter: 0.2497 inches nominal
Shaft Length: 0.937 inches nominal
Mounting Bushing Length: 0.313 inches nominal
Body Length: 0.734 inches nominal
Overall Diameter: 1.374 inches nominal
Shaft Style: round
Shaft Bearing Type: unable to decode
Actuator Type: single shaft
Effective Electrical Rotation In Deg Angular Rotation: 348.0 nominal
Maximum Starting Torque: 1.00 inch-ounces
Maximum Running Torque: 1.00 inch-ounces
Nonturn Device Location: at 6 oclock
Nonturn Device Radius: 0.562 inches nominal
Shaft End Play: 0.007 inches
Shaft Runout: 0.0025 inches
Lateral Runout: 0.003 inches
Pilot Diameter Runout: 0.0025 inches
Shaft Radial Play: 0.004 inches
Screw Thread Diameter: 0.375 inches nominal
Screw Thread Series Designator: unef
Screw Thread Quantity Per Inch: 32.0
Terminal Location: rear end
Mounting Method: standard bushing
Electrical Resistance Per Section: 20.0 kilohms single section
Rotary Actuator Travel In Angular Deg: 360.0 nominal
Function Conformity Tolerance Per Section: -0.50 to 0.50 single section
Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power: 105.0 single section
Temp Coefficient Of Resistance Per Section In Ppm Per Deg Celsius: -150.0 to 300.0 single section
Power Dissipation Rating Per Section In Watts: 0.75 free air single section
Function Conformity Per Section: single section independent linearity
Resistance Tolerance Per Section In Percent: -10.0 to 10.0 single section
Actuator Travel Control Feature: continuous motion
Function Characteristic Per Section: single section linear
Ambient Temp In Deg Celsius Per Section At Full Rated Power: 65.0 single section
Terminal Type And Quantity: 3 turret

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
3351R20K	Resistor,variable,nonwire Wound,

FAQs

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

What is the FSCG of the NSN 5905-00-495-6752?

The FSCG of the NSN 5905-00-495-6752 is 5905

Does the NSN 5905-00-495-6752 have a Schedule B code assigned?

Yes, the Schedule B code is 8533400080

Does NSN 5905-00-495-6752 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 5905-00-495-6752 contain precious materials?

Precious metal content is unknown

Does NSN 5905-00-495-6752 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 5905-00-495-6752 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Tue, Jul 2, 1974