E204PC31

View detailed technical data, stock status, and sourcing information for: E204PC31
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-399-2643

Item Name Code

22113

Assigment Date

01/01/1963 (63 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

0.500 inches nominal single threaded portion thread length, 0.750 inches single threaded portion nominal thread size, 0.652 inches nominal overall height, 2a single threaded portion thread class, 0.438 inches nominal body inside diameter

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 single threaded portion
Thread Length: 0.500 inches nominal single threaded portion
Overall Height: 0.652 inches nominal
Body Inside Diameter: 0.438 inches nominal
Nominal Thread Size: 0.750 inches single threaded portion
Seating Surface Shape: flat
Special Features: o.375 in. hex internal drive feature
Material: steel overall
Style Designator: plain threaded
Thread Series Designator: unf single threaded portion

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
445-5103-82ALT4PC5	Valve Seat
E139PC5	Valve Seat
E140PC5	Valve Seat
E151PC5	Valve Seat
E152PC5	Valve Seat
E199PC5	Valve Seat
E200PC5	Valve Seat
E203PC6	Valve Seat
E204PC31	Valve Seat
E206PC6	Valve Seat
E210PC6	Valve Seat
JMS-7613	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-399-2643?

The FSCG of the NSN 4820-00-399-2643 is 4820

Does the NSN 4820-00-399-2643 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-399-2643 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 4820-00-399-2643 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-399-2643 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 4820-00-399-2643 was assigned to the Federal Catalog?

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