MD4939

View detailed technical data, stock status, and sourcing information for: MD4939
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-364-8651

Item Name Code

04521

Assigment Date

01/01/1963 (63 years ago)

0.178 inches minimum and 0.198 inches maximum cross-sectional height, rubber synthetic overall material, o-ring cross-sectional shape style, 0.428 inches minimum and 0.448 inches maximum center hole diameter

Product Characteristics

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

Cross-Sectional Shape Style: o-ring
Cross-Sectional Height: 0.178 inches minimum and 0.198 inches maximum
Center Hole Diameter: 0.428 inches minimum and 0.448 inches maximum
Material: rubber synthetic overall

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
MD4939	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-00-364-8651?

The FSCG of the NSN 5330-00-364-8651 is 5330

Does the NSN 5330-00-364-8651 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-364-8651 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 5330-00-364-8651 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-364-8651 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 5330-00-364-8651 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963