4820-00-068-6564

Find complete technical information, availability, and procurement data for: 4820-00-068-6564
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-068-6564

Item Name Code

22113

Assigment Date

07/07/1967 (59 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.865 inches minimum and 0.870 inches maximum body outside diameter, 0.312 inches nominal flange seat to disk end height, 1.053 inches minimum and 1.054 inches maximum flange diameter, 0.187 inches nominal under flange height, 0.625 inches nominal body inside diameter

Product Characteristics

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

Flange Diameter: 1.053 inches minimum and 1.054 inches maximum
Body Outside Diameter: 0.865 inches minimum and 0.870 inches maximum
Body Inside Diameter: 0.625 inches nominal
Flange Seat To Disk End Height: 0.312 inches nominal
Under Flange Height: 0.187 inches nominal
Seating Surface Shape: flat
Special Features: flange center-grooved 0.141 in. wide by 0.878 in. dia,max surface finish 125 microinches aa o/a
Material: steel comp 17-4ph overall
Material Document And Classification: ams5643 assn std single material response overall
Style Designator: plain flanged

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
114H6833-1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-068-6564?

The FSCG of the NSN 4820-00-068-6564 is 4820

Does the NSN 4820-00-068-6564 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-068-6564 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 4820-00-068-6564 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-068-6564 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 4820-00-068-6564 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jul 7, 1967