4820-00-338-3503

Find complete technical information, availability, and procurement data for: 4820-00-338-3503
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-338-3503

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

right-hand 1st end thread direction, disk or stem flow control device, spring disk loading method, hydraulic valve operation method, 3a 1st end thread class

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk or stem
Disk Loading Method: spring
Valve Operation Method: hydraulic
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 12 1st end
Nominal Thread Size: 1.375 inches 1st end
Thread Series Designator: unf 1st end

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
7737746	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-338-3503?

The FSCG of the NSN 4820-00-338-3503 is 4820

Does the NSN 4820-00-338-3503 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-338-3503 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 4820-00-338-3503 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-338-3503 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 4820-00-338-3503 was assigned to the Federal Catalog?

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