909D138PC22

View detailed technical data, stock status, and sourcing information for: 909D138PC22
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-818-1048

Item Name Code

22113

Assigment Date

01/01/1962 (64 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.

1.562 inches nominal body outside diameter, 0.688 inches nominal body inside diameter, 1.812 inches nominal flange diameter, 0.312 inches nominal flange seat to disk end height, 0.151 inches minimum and 0.161 inches maximum seat radius

Product Characteristics

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

Flange Diameter: 1.812 inches nominal
Body Outside Diameter: 1.562 inches nominal
Body Inside Diameter: 0.688 inches nominal
Seat Radius: 0.151 inches minimum and 0.161 inches maximum
Flange Seat To Disk End Height: 0.312 inches nominal
Under Flange Height: 0.875 inches nominal
Seal Accommodation Type: grooved
Seating Surface Shape: radial
Material: cobalt alloy face
Material: steel body
Material Document And Classification: mil-r-17131,type mil-rcocr-a mil spec single material response face
Material Document And Classification: qq-s-763,class 410 fed spec single material response body
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
909D138-22	Valve Seat
909D138PC22	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-818-1048?

The FSCG of the NSN 4820-00-818-1048 is 4820

Does the NSN 4820-00-818-1048 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-818-1048 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 4820-00-818-1048 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-818-1048 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 4820-00-818-1048 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962