281163-0001 MAIN ITEM 4

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-113-7858

Item Name Code

27565

Assigment Date

06/04/1981 (45 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.

bonnet 1;spring 1;screw 5;plate 1;spring seat assembly 1;disk and piston assembly 1;disk assembly 1 special features

Product Characteristics

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

Special Features: bonnet 1;spring 1;screw 5;plate 1;spring seat assembly 1;disk and piston assembly 1;disk assembly 1

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
280666-0004	Fluid Pressure Regulating Valve
280666-004	Fluid Pressure Regulating Valve
281163-0001 MAIN ITEM 4	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-113-7858?

The FSCG of the NSN 4820-01-113-7858 is 4820

Does the NSN 4820-01-113-7858 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-113-7858 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 4820-01-113-7858 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-113-7858 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 4820-01-113-7858 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Thu, Jun 4, 1981