501A

View detailed technical data, stock status, and sourcing information for: 501A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-059-9451

Item Name Code

00309

Assigment Date

01/01/1961 (65 years ago)

A thermally sensitive resistor whose primary function is to exhibit a change in electrical resistance with a change in body temperature. Item may be mounted in a probe or housing. For ballast tube type resistors, see resistor (1), current regulating. Excludes:transmitter (1), temperature, electrical resistance and temperature element, resistance meteorological.

15.6 celsius 1st resistance-temperature point temp points for resistance readings at zero power, not established reliability indicator, encapsulated inclosure type, 8.0 ohms 1st resistance-temperature point zero power resistance at specified temp, -15.0 to 15.0 all resistance-temperature points resistance tolerance at a specified temp in percent

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Reliability Indicator: not established
Temp Points For Resistance Readings At Zero Power: 15.6 celsius 1st resistance-temperature point
Zero Power Resistance At Specified Temp: 8.0 ohms 1st resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent: -15.0 to 15.0 all resistance-temperature points
Inclosure Type: encapsulated
Test Data Document: "81349-mil-prf-7790 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-prf-7790 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5905-00-344-0132	No Name Available	06/13/1967
5905-00-575-1314	No Name Available	01/01/1960

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
20011-A	Thermal Resistor
501A	Thermal Resistor
8T851B3	Thermal Resistor
AN5534-2	Thermal Resistor
MIL-DTL-7790	Thermal Resistor
MIL-PRF-7790	Thermal Resistor

FAQs

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

What is the FSCG of the NSN 5905-00-059-9451?

The FSCG of the NSN 5905-00-059-9451 is 5905

Does the NSN 5905-00-059-9451 have a Schedule B code assigned?

Yes, the Schedule B code is 8533400080

Does NSN 5905-00-059-9451 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 5905-00-059-9451 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-00-059-9451 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 5905-00-059-9451 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961