R.2.551

View detailed technical data, stock status, and sourcing information for: R.2.551
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-105-9622

Item Name Code

00010

Assigment Date

07/08/1968 (58 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.

-55.0 to 125.0 temp range of temp coefficient in deg celsius, 125.0 ambient temp in deg celsius at zero percent rated power, -50.0 to 50.0 temp coefficient of resistance in ppm per deg celsius, 8.690 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: -50.0 to 50.0
Electrical Resistance: 8.690 ohms
Resistance Tolerance In Percent: -1.000 to 1.000
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 125.0
Temp Range Of Temp Coefficient In Deg Celsius: -55.0 to 125.0
Reliability Indicator: not established
Terminal Length: 0.694 inches maximum
Body Length: 0.880 inches maximum
Body Width: 0.500 inches maximum
Body Height: 0.470 inches maximum
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: 1.750 inches nominal
Power Dissipation Rating In Watts: 0.500 free air
Ambient Temp At Full Rated Power: 25.0 celsius
Inclosure Type: encapsulated
Mounting Hole Size: 0.260 inches nominal
Cubic Measure: 0.361 cubic inches
Terminal Type: tab, solder lug
Style Designator: terminals 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
6862400-20	Wire Wound Fixed Resistor
R.2.551	Wire Wound Fixed Resistor

FAQs

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

What is the FSCG of the NSN 5905-00-105-9622?

The FSCG of the NSN 5905-00-105-9622 is 5905

Does the NSN 5905-00-105-9622 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-00-105-9622 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 5905-00-105-9622 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-00-105-9622 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 5905-00-105-9622 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, Jul 8, 1968