5905-01-256-9957

Find complete technical information, availability, and procurement data for: 5905-01-256-9957
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-256-9957

Item Name Code

00010

Assigment Date

06/11/1987 (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.

-0.100 to 0.100 resistance tolerance in percent, -65.0 to 145.0 temp range of temp coefficient in deg celsius, -10.0 to 10.0 temp coefficient of resistance in ppm per deg celsius, 550.000 ohms electrical resistance, 145.0 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: -10.0 to 10.0
Electrical Resistance: 550.000 ohms
Resistance Tolerance In Percent: -0.100 to 0.100
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 145.0
Temp Range Of Temp Coefficient In Deg Celsius: -65.0 to 145.0
Reactance Characteristic: noninductive
Reliability Indicator: established
Reliability Failure Rate Level In Percent: 0.010
Terminal Length: 1.000 inches nominal
Body Diameter: 0.250 inches nominal
Body Length: 0.312 inches nominal
Power Dissipation Rating In Watts: 0.125 free air
Ambient Temp At Full Rated Power: 125.0 celsius
Inclosure Type: encapsulated
Terminal Type: wire lead
Style Designator: axial terminals one end
Test Data Document: "81349-mil-r-39005 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-39005/6 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5905-00-905-9972	No Name Available	10/31/2016

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
P2E550R0C	Wire Wound Fixed Resistor
RBR71L550R0BP	Wire Wound Fixed Resistor
RBR71L550R0BR	Wire Wound Fixed Resistor

FAQs

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

What is the FSCG of the NSN 5905-01-256-9957?

The FSCG of the NSN 5905-01-256-9957 is 5905

Does the NSN 5905-01-256-9957 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-01-256-9957 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 5905-01-256-9957 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-01-256-9957 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 5905-01-256-9957 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jun 11, 1987