270-50K-40-300

View detailed technical data, stock status, and sourcing information for: 270-50K-40-300
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-854-9712

Item Name Code

37403

Assigment Date

01/01/1962 (64 years ago)

300.000 ohms electrical resistance, -260.0 to 260.0 temp coefficient of resistance in ppm per deg celsius, -55.0 to 350.0 temp range of temp coefficient in deg celsius, -5.000 to 5.000 resistance tolerance in percent, 350.0 ambient temp in deg celsius at zero percent rated power

Product Characteristics

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

Temp Coefficient Of Resistance In Ppm Per Deg Celsius: -260.0 to 260.0
Electrical Resistance: 300.000 ohms
Resistance Tolerance In Percent: -5.000 to 5.000
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 350.0
Temp Range Of Temp Coefficient In Deg Celsius: -55.0 to 350.0
Reliability Indicator: not established
Terminal Length: 0.484 inches nominal
Body Diameter: 0.906 inches maximum
Body Length: 4.000 inches nominal
Power Dissipation Rating In Watts: 55.000 free air
Ambient Temp At Full Rated Power: 25.0 celsius
Terminal Width: 0.328 inches nominal
Inclosure Type: encapsulated
Terminal Type: tab, solder lug
Style Designator: radial terminal each end
Test Data Document: "81349-mil-r-26/3 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Specification/Standard Data: 81349-mil-r-26/3b government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5905-00-171-1848	No Name Available	03/25/1987
5905-00-279-7250	No Name Available	11/04/1968
5905-00-518-7275	No Name Available	10/28/1968
5905-00-636-9898	No Name Available	11/04/1968
5905-00-683-5958	No Name Available	11/04/1968
5905-00-917-9241	No Name Available	01/01/1999
5905-00-925-8805	No Name Available	07/04/1987
5905-01-007-1291	No Name Available	06/01/2007

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
270-50K-40-300	Resistor,fixed,wire Wound,induct
5G41-0074	Resistor,fixed,wire Wound,induct
712-72-300S	Resistor,fixed,wire Wound,induct
FR50-300R0J	Resistor,fixed,wire Wound,induct
RW35V301	Resistor,fixed,wire Wound,induct

FAQs

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

What is the FSCG of the NSN 5905-00-854-9712?

The FSCG of the NSN 5905-00-854-9712 is 5905

Does the NSN 5905-00-854-9712 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-00-854-9712 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 5905-00-854-9712 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-00-854-9712 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 5905-00-854-9712 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962