PR68N18-143

View detailed technical data, stock status, and sourcing information for: PR68N18-143
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-241-8707

Item Name Code

00010

Assigment Date

10/03/1986 (39 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.

-20.0 to 20.0 temp coefficient of resistance in ppm per deg celsius, -1.000 to 1.000 resistance tolerance in percent, 301.000 ohms electrical resistance, 275.0 ambient temp in deg celsius at zero percent rated power, 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.

Temp Coefficient Of Resistance In Ppm Per Deg Celsius: -20.0 to 20.0
Electrical Resistance: 301.000 ohms
Resistance Tolerance In Percent: -1.000 to 1.000
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 275.0
Reliability Indicator: not established
Terminal Length: 1.000 inches minimum
Body Diameter: 0.078 inches nominal
Body Length: 0.310 inches maximum
Power Dissipation Rating In Watts: 1.000 free air
Ambient Temp At Full Rated Power: 25.0 celsius
Inclosure Type: encased
Terminal Type: wire lead
Special Features: beryllium oxide ceramic may be used as core matl/considered hazardous under certain conditions
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
443-1837-143	Wire Wound Fixed Resistor
EGN-1-40-143	Wire Wound Fixed Resistor
PR68N18-143	Wire Wound Fixed Resistor

FAQs

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

What is the FSCG of the NSN 5905-01-241-8707?

The FSCG of the NSN 5905-01-241-8707 is 5905

Does the NSN 5905-01-241-8707 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-01-241-8707 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 5905-01-241-8707 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-01-241-8707 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 5905-01-241-8707 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Oct 3, 1986