021-021794 PC 99

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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-197-4978

Item Name Code

61433

Assigment Date

12/21/1984 (41 years ago)

An item which is specifically designed to absorb, conduct or dissipate heat generated by an electrical and/or electronic component or an external source in order to prevent damage to the component. Do not use if a more specific name applies.

item must comply with requirements of defense electronics supply center production standard no. l03425; for navy nuclear propulsion plant products only special features, plastic material, feat criticality code justification

Product Characteristics

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

Criticality Code Justification: feat
Special Features: item must comply with requirements of defense electronics supply center production standard no. l03425; for navy nuclear propulsion plant products only
Material: plastic

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
021-021794 PC 99	Electrical-Electronic Heat Sink
EL-922-174	Electrical-Electronic Heat Sink
LO3425	Electrical-Electronic Heat Sink

FAQs

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

What is the FSCG of the NSN 5999-01-197-4978?

The FSCG of the NSN 5999-01-197-4978 is 5999

Does the NSN 5999-01-197-4978 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-197-4978 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 5999-01-197-4978 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-197-4978 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 5999-01-197-4978 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Dec 21, 1984