4820-01-458-3798

Find complete technical information, availability, and procurement data for: 4820-01-458-3798
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-458-3798

Item Name Code

22113

Assigment Date

08/24/1998 (27 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.

0.930 inches nominal flange diameter, 3a single threaded portion thread class, 0.471 inches nominal body inside diameter, 0.078 inches minimum and 0.095 inches maximum single threaded portion thread length, globe valve end item identification

Product Characteristics

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

Thread Class: 3a single threaded portion
Thread Length: 0.078 inches minimum and 0.095 inches maximum single threaded portion
Flange Diameter: 0.930 inches nominal
Body Inside Diameter: 0.471 inches nominal
End Item Identification: globe valve
Flange Seat To Disk End Height: 0.122 inches nominal
Under Flange Height: 0.172 inches minimum and 0.204 inches maximum
Thread Quantity Per Inch: 15 single threaded portion
Nominal Thread Size: 0.750 inches single threaded portion
Seating Surface Shape: flat
Special Features: globe stop and socket weld;seat ring
Material: titanium alloy overall
Material Document And Classification: mil-t-9047 6al-4v mil spec single material response overall
Surface Treatment: anodize overall
Style Designator: faucet

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
845-7069815-11-017	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-458-3798?

The FSCG of the NSN 4820-01-458-3798 is 4820

Does the NSN 4820-01-458-3798 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-458-3798 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 4820-01-458-3798 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-458-3798 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 4820-01-458-3798 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Mon, Aug 24, 1998