4820-00-891-8605

Find complete technical information, availability, and procurement data for: 4820-00-891-8605
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-891-8605

Item Name Code

22113

Assigment Date

01/20/1967 (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.

1.808 inches minimum and 1.810 inches maximum body outside diameter, 1.938 inches nominal flange diameter, 0.884 inches nominal taper minor diameter, 1.625 inches nominal taper major diameter, 0.438 inches nominal taper length

Product Characteristics

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

Flange Diameter: 1.938 inches nominal
Taper Length: 0.438 inches nominal
Taper Minor Diameter: 0.884 inches nominal
Taper Major Diameter: 1.625 inches nominal
Body Outside Diameter: 1.808 inches minimum and 1.810 inches maximum
Body Inside Diameter: 1.625 inches nominal
Flange Seat To Disk End Height: 0.312 inches nominal
Under Flange Height: 0.438 inches nominal
Seating Surface Shape: flat
Material: cobalt alloy body
Material: steel face
Material Document And Classification: mil-r-17131,type mil-rcocr-a mil spec single material response body
Material Document And Classification: qq-s-764,type 416 fed spec single material response face
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
D10132PC144	Valve Seat
LA-101448	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-891-8605?

The FSCG of the NSN 4820-00-891-8605 is 4820

Does the NSN 4820-00-891-8605 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-891-8605 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 4820-00-891-8605 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-891-8605 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 4820-00-891-8605 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jan 20, 1967