4820-00-175-8378

Find complete technical information, availability, and procurement data for: 4820-00-175-8378
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-175-8378

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.

0.375 inches nominal thread size, 0.933 inches nominal outside diameter, 2a thread class, 0.406 inches nominal seat radius, 2.500 inches nominal overall height

Product Characteristics

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

Thread Class: 2a
Outside Diameter: 0.933 inches nominal
Overall Height: 2.500 inches nominal
Seat Radius: 0.406 inches nominal
Nominal Thread Size: 0.375 inches
Material: steel corrosion resisting
Thread Series Designator: unc

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
1388718	Valve Disk
29J325PC162	Valve Disk
29J368PC169	Valve Disk
29J368PC9	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-175-8378?

The FSCG of the NSN 4820-00-175-8378 is 4820

Does the NSN 4820-00-175-8378 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-175-8378 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 4820-00-175-8378 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-175-8378 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 4820-00-175-8378 was assigned to the Federal Catalog?

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