FH53

View detailed technical data, stock status, and sourcing information for: FH53
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-221-8522

Item Name Code

60584

Assigment Date

12/04/1985 (40 years ago)

A resistive element which dissipates sufficient heat to melt the fusible material or distort the bimetallic element of an overload protective device when the temperature, as a result of an overload in an electrical circuit, reaches a predetermined value. Excludes:coil (as modified); resistance element; resistor,thermal; thermal release,circuit breaker; and items with integral bimetallic element, contacts, or fusible material.

31.5 amperes minimum and 34.5 amperes maximum current rating for which designed, westinghouse type a and b overload relays end item identification

Product Characteristics

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

End Item Identification: westinghouse type a and b overload relays
Current Rating For Which Designed: 31.5 amperes minimum and 34.5 amperes maximum

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
FH53	Thermal Release Heater

FAQs

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

What is the FSCG of the NSN 5999-01-221-8522?

The FSCG of the NSN 5999-01-221-8522 is 5999

Does the NSN 5999-01-221-8522 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-221-8522 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 5999-01-221-8522 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-221-8522 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5999-01-221-8522 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Dec 4, 1985