C20-21

View detailed technical data, stock status, and sourcing information for: C20-21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-397-4439

Item Name Code

04522

Assigment Date

04/12/1974 (52 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

cross-sectional shape style:no.195 irregular shape from fiig a03200 supplementary features, style designator:no.60 irregular shape from fiig a03200 special features

Product Characteristics

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

Special Features: style designator:no.60 irregular shape from fiig a03200
Supplementary Features: cross-sectional shape style:no.195 irregular shape from fiig a03200

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
C20-21	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-397-4439?

The FSCG of the NSN 5330-00-397-4439 is 5330

Does NSN 5330-00-397-4439 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 5330-00-397-4439 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-397-4439 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 5330-00-397-4439 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Apr 12, 1974