655631

View detailed technical data, stock status, and sourcing information for: 655631
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-228-6568

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

2.859 inches minimum and 2.891 inches maximum outside diameter, 2.046 inches minimum and 2.078 inches maximum aperture diameter, solid single or composition cross-sectional shape style, 0.187 inches nominal hole diameter, 2.437 inches nominal bolt circle 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: solid single or composition
Hole Diameter: 0.187 inches nominal
Bolt Circle Diameter: 2.437 inches nominal
Outside Diameter: 2.859 inches minimum and 2.891 inches maximum
Aperture Diameter: 2.046 inches minimum and 2.078 inches maximum
Cross-Sectional Thickness: 0.031 inches nominal
Bolt Hole Quantity: 6
Hardness Rating: 55.0 shore durometer a minimum and 65.0 shore durometer a maximum overall
Material: rubber chloroprene class cr overall
Material Document And Classification: astm d2000,2bc620abe3 assn std single material response overall
Style Designator: circular

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
231572	Gasket
655631	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-228-6568?

The FSCG of the NSN 5330-00-228-6568 is 5330

Does NSN 5330-00-228-6568 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 5330-00-228-6568 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-228-6568 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 5330-00-228-6568 was assigned to the Federal Catalog?

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