4820-00-391-8273

Find complete technical information, availability, and procurement data for: 4820-00-391-8273
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-391-8273

Item Name Code

35224

Assigment Date

01/01/1963 (63 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.

7.315 inches nominal overall height, 1.000 inches nominal thread size, 16 thread quantity per inch, 2b thread class, steel comp 416 material

Product Characteristics

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

Thread Class: 2b
Overall Height: 7.315 inches nominal
Thread Quantity Per Inch: 16
Nominal Thread Size: 1.000 inches
Material: steel comp 416
Material Document And Classification: aisi 416 assn std single material response
Thread Series Designator: un

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
D23145-416SS	Valve Disk
D23145PE	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-391-8273?

The FSCG of the NSN 4820-00-391-8273 is 4820

Does the NSN 4820-00-391-8273 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-391-8273 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 4820-00-391-8273 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-391-8273 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 4820-00-391-8273 was assigned to the Federal Catalog?

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