68561

View detailed technical data, stock status, and sourcing information for: 68561
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-290-8871

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.

0.340 inches nominal outside corner radius, solid single or composition cross-sectional shape style, 0.344 inches nominal hole diameter, 0.014 inches minimum and 0.021 inches maximum cross-sectional thickness, 3.625 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: 0.344 inches nominal
Bolt Circle Diameter: 3.625 inches nominal
Outside Corner Radius: 0.340 inches nominal
Cross-Sectional Thickness: 0.014 inches minimum and 0.021 inches maximum
Special Features: sides rounded at a radius of 1.660 inches from gasket center
Material: rubber overall
Fsc Application Data: engine,aircraft,reciprocating

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2810-00-440-7816	No Name Available	01/01/1963
2805-00-693-9420	No Name Available	01/01/1963

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
2810H34-001	Gasket
68561	Gasket
A247374	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-290-8871?

The FSCG of the NSN 5330-00-290-8871 is 5330

Does NSN 5330-00-290-8871 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 5330-00-290-8871 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-290-8871 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 5330-00-290-8871 was assigned to the Federal Catalog?

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