HR255N-48R74T

View detailed technical data, stock status, and sourcing information for: HR255N-48R74T
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-310-4549

Item Name Code

00010

Assigment Date

11/04/1989 (36 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self supporting. Opposition to the flow of current is an inherent property of the resistance wire and is manifest by the heat dissipation in the resistor. Excludes:suppressor,ignition interference.

-0.010 to 0.010 resistance tolerance in percent, 145.0 ambient temp in deg celsius at zero percent rated power, 48.740 ohms electrical resistance, not established reliability indicator, -5.0 to 5.0 temp coefficient of resistance in ppm per deg celsius

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: -5.0 to 5.0
Electrical Resistance: 48.740 ohms
Resistance Tolerance In Percent: -0.010 to 0.010
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 145.0
Reliability Indicator: not established
Terminal Length: 1.375 inches minimum and 1.625 inches maximum
Body Diameter: 0.219 inches minimum and 0.281 inches maximum
Body Length: 0.264 inches minimum and 0.326 inches maximum
Power Dissipation Rating In Watts: 0.250 free air
Ambient Temp At Full Rated Power: 125.0 celsius
End Item Identification: testsetserd48
Inclosure Type: encapsulated
Cubic Measure: 0.020 cubic inches
Terminal Type: wire lead
Style Designator: axial terminal each end

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
HR255N-48R74T	Wire Wound Fixed Resistor

FAQs

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

What is the FSCG of the NSN 5905-01-310-4549?

The FSCG of the NSN 5905-01-310-4549 is 5905

Does the NSN 5905-01-310-4549 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-01-310-4549 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 5905-01-310-4549 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-01-310-4549 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 5905-01-310-4549 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Nov 4, 1989