998324

View detailed technical data, stock status, and sourcing information for: 998324
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-021-9826

Item Name Code

27565

Assigment Date

01/01/1961 (65 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.

0.375 inches nominal first end outside diameter tube accommodated, threaded external tube first end connection type, flared first end style designator, angle body style, oxygen, gaseous media for which designed

Product Characteristics

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

Body Style: angle
Media For Which Designed: oxygen, gaseous
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Outside Diameter Tube Accommodated: 0.375 inches nominal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Class: 2a
First End Thread Direction: right-hand
Second End Relationship With First End: not identical
Second End Connection Type: threaded external gas cylinder
Second End Style Designator: flared
Second End Thread Size And Series/Type Designator: unable to decode
Second End Thread Class: 2a
Second End Thread Direction: left-hand
First End Seat Angle In Deg: 37.0
Flow Control Device: poppet
End Connection Quantity: 2
Regulation Type: manual single stage
Manual Control Method: wheel
Valve Loading Method: spring
Filter: not included
Temp Rating: 180.0 fahrenheit maximum

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
04X45	Fluid Pressure Regulating Valve
998324	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-021-9826?

The FSCG of the NSN 4820-00-021-9826 is 4820

Does the NSN 4820-00-021-9826 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-021-9826 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 4820-00-021-9826 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-021-9826 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 4820-00-021-9826 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961