4820-00-741-2280

Find complete technical information, availability, and procurement data for: 4820-00-741-2280
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-741-2280

Item Name Code

35224

Assigment Date

01/01/1963 (63 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

asbestos material, plain style designator, 1.062 inches nominal outside diameter, 0.438 inches minimum and 0.453 inches maximum inside diameter, 0.375 inches nominal overall height

Product Characteristics

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

Inside Diameter: 0.438 inches minimum and 0.453 inches maximum
Outside Diameter: 1.062 inches nominal
Overall Height: 0.375 inches nominal
Material: asbestos
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4510-00-593-1666	No Name Available	01/01/1960

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
A297940-6	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-741-2280?

The FSCG of the NSN 4820-00-741-2280 is 4820

Does the NSN 4820-00-741-2280 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-741-2280 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 4820-00-741-2280 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-741-2280 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-741-2280 was assigned to the Federal Catalog?

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