6774721

View detailed technical data, stock status, and sourcing information for: 6774721
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-089-0877

Item Name Code

21205

Assigment Date

05/20/1967 (59 years ago)

A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes. It may be solid or cut through to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring,piston and ring,wiper.

0.3125 inches nominal radial wall thickness, 3.937 inches nominal inside diameter, contracting concentric ring style, plain rectangular, straight face cross-sectional shape style, 0.0937 inches nominal overall width

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: plain rectangular, straight face
Inside Diameter: 3.937 inches nominal
Ring Style: contracting concentric
Radial Wall Thickness: 0.3125 inches nominal
Overall Width: 0.0937 inches nominal
Joint Style: step joint
Material: steel comp 1052 overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-089-0747	No Name Available	08/01/1978

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
6774721	Metal Seal Ring

FAQs

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

What is the FSCG of the NSN 5330-00-089-0877?

The FSCG of the NSN 5330-00-089-0877 is 5330

Does the NSN 5330-00-089-0877 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-089-0877 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 5330-00-089-0877 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-089-0877 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 5330-00-089-0877 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Sat, May 20, 1967