RWR81S21R5FR

View detailed technical data, stock status, and sourcing information for: RWR81S21R5FR
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-444-5305

Item Name Code

37403

Assigment Date

09/20/1972 (53 years ago)

An item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. The tubing has a predetermined cross section and is designed to guide or conduct high frequency electromagnetic energy through its interior. One or more ends are terminated. May include common mounting of a switch, wave guide, a dummy load, electrical and other components such as waveguide section, cable terminal chamber and the like. Excludes:coupler,rotary,radio frequency; coupler, directional; adapter,waveguide; and tuner, waveguide.

-20.0 to 20.0 temp coefficient of resistance in ppm per deg celsius, -55.0 to 275.0 temp range of temp coefficient in deg celsius, 275.0 ambient temp in deg celsius at zero percent rated power, 21.500 ohms electrical resistance, -1.000 to 1.000 resistance tolerance in percent

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: -20.0 to 20.0
Electrical Resistance: 21.500 ohms
Resistance Tolerance In Percent: -1.000 to 1.000
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 275.0
Temp Range Of Temp Coefficient In Deg Celsius: -55.0 to 275.0
Reliability Indicator: not established
Reliability Failure Rate Level In Percent: 0.010
Body Diameter: 0.085 inches nominal
Body Length: 0.250 inches nominal
Power Dissipation Rating In Watts: 1.000 free air
Ambient Temp At Full Rated Power: 25.0 celsius
Inclosure Type: encapsulated
Terminal Type: wire lead
Special Features: nuclear hardness critical items
Nuclear Hardness Critical Feature: hardened
Style Designator: axial terminal each end
Test Data Document: "81349-mil-r-39007 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.)."

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
RS-1/4-8-21R5F	Resistor,fixed,wire Wound,induct
RWR81S21R5FM	Resistor,fixed,wire Wound,induct
RWR81S21R5FP	Resistor,fixed,wire Wound,induct
RWR81S21R5FR	Resistor,fixed,wire Wound,induct

FAQs

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

What is the FSCG of the NSN 5905-00-444-5305?

The FSCG of the NSN 5905-00-444-5305 is 5905

Does the NSN 5905-00-444-5305 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-00-444-5305 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 5905-00-444-5305 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-00-444-5305 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 5905-00-444-5305 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Sep 20, 1972