4008G83 PIECE 4

View detailed technical data, stock status, and sourcing information for: 4008G83 PIECE 4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-029-2782

Item Name Code

22113

Assigment Date

10/16/1976 (49 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.

1.620 inches nominal flange seat to disk end height, 5.000 inches nominal body outside diameter, 5.940 inches nominal under flange height, 0.180 inches nominal seat radius, 6.000 inches minimum and 6.001 inches maximum flange 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: 6.000 inches minimum and 6.001 inches maximum
Body Outside Diameter: 5.000 inches nominal
Seat Radius: 0.180 inches nominal
Flange Seat To Disk End Height: 1.620 inches nominal
Under Flange Height: 5.940 inches nominal
Seating Surface Shape: radial
Body Stepped Inside Diameter: 2.235 inches maximum second step
Body Stepped Inside Diameter: 3.225 inches minimum first step
Material: steel overall
Material Document And Classification: qq-s-763,cl 410 fed spec 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
4008G83 PIECE 4	Valve Seat
4008G83-004	Valve Seat
4008G83-4	Valve Seat
6016038-004	Valve Seat
781E733P40	Valve Seat
W6016038-004	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-029-2782?

The FSCG of the NSN 4820-01-029-2782 is 4820

Does the NSN 4820-01-029-2782 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-029-2782 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 4820-01-029-2782 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-029-2782 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 4820-01-029-2782 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Oct 16, 1976