392818

View detailed technical data, stock status, and sourcing information for: 392818
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-484-8374

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

0.219 inches nominal hole diameter, 1.266 inches nominal aperture diameter, solid single or composition cross-sectional shape style, 1.938 inches nominal overall width, 1.750 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: 0.219 inches nominal
Bolt Circle Diameter: 1.750 inches nominal
Overall Width: 1.938 inches nominal
Aperture Diameter: 1.266 inches nominal
Outside Corner Radius: 0.250 inches nominal
Side Radius From Gasket Center: 0.812 inches nominal
Cross-Sectional Thickness: 0.026 inches minimum and 0.036 inches maximum
Bolt Hole Quantity: 3
Material: asbestos and rubber natural or rubber synthetic overall
Material Document And Classification: mil-a-7021,cl 1 mil spec all material responses overall
Style Designator: non-circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-037-9551	No Name Available	07/01/1977
2915-00-442-2479	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
392818	Gasket
P70217	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-484-8374?

The FSCG of the NSN 5330-00-484-8374 is 5330

Does NSN 5330-00-484-8374 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 5330-00-484-8374 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-484-8374 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 5330-00-484-8374 was assigned to the Federal Catalog?

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