TM1/4 272K

View detailed technical data, stock status, and sourcing information for: TM1/4 272K
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-421-8298

Item Name Code

00309

Assigment Date

12/21/1970 (55 years ago)

0.600 inches maximum body length, 1.500 inches nominal terminal length, 0.215 inches maximum body outside diameter, not established reliability indicator, 0.250 inches nominal terminal diameter

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
Terminal Length: 1.500 inches nominal
Body Length: 0.600 inches maximum
Body Outside Diameter: 0.215 inches maximum
Terminal Diameter: 0.250 inches nominal
Maximum Power Dissipation Rating: 250.00 milliwatts
Ambient Temp At Full Rated Power: 25.0 celsius
Maximum Operating Temp: 125.0 celsius
Thermal Time Constant In Seconds: 60.0
Power Dissipation Constant In Milliwatts Per Deg Celsius: 2.0
Zero Power Temp Coefficient Of Resistance In Percent Per Deg Celsius: 0.70
Temp Points For Resistance Readings At Zero Power: -20.0 celsius 2nd resistance-temperature point
Temp Points For Resistance Readings At Zero Power: -55.0 celsius 1st resistance-temperature point
Temp Points For Resistance Readings At Zero Power: 125.0 celsius 4th resistance-temperature point
Temp Points For Resistance Readings At Zero Power: 60.0 celsius 3rd resistance-temperature point
Inclosure Type: encapsulated
Zero Power Resistance: 2.700 kilohms
Zero Power Resistance Tolerance In Percent At Reference Temp: -5.0 to 5.0
Reference Temp In Deg Celsius: 25.0
Style Designator: rod
Test Data Document: 90073-469-508 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity: 2 wire lead

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5905-00-904-1095	No Name Available	11/01/1992

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
291-469508-007	Thermal Resistor
469-508-7	Thermal Resistor
509399-9	Thermal Resistor
740208-109	Thermal Resistor
8001-2700OHMSPORM5PCT	Thermal Resistor
TM1-4 2701J	Thermal Resistor
TM1/4 272K	Thermal Resistor
TM1/4-272J	Thermal Resistor

FAQs

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

What is the FSCG of the NSN 5905-00-421-8298?

The FSCG of the NSN 5905-00-421-8298 is 5905

Does the NSN 5905-00-421-8298 have a Schedule B code assigned?

Yes, the Schedule B code is 8533400080

Does NSN 5905-00-421-8298 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 5905-00-421-8298 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-00-421-8298 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 5905-00-421-8298 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 21, 1970