4820-01-339-9202

Find complete technical information, availability, and procurement data for: 4820-01-339-9202
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-339-9202 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-339-9202

Item Name Code

05492

Assigment Date

06/04/1991 (35 years ago)

A valve used to automatically maintain within close limits a predetermined pressure within an oxygen system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is bypassed to the accumulator or reservoir in lieu of passing through the entire system. It is specifically designed and/or cleaned for oxygen systems. Excludes:valve, regulating, system pressure; valve regulating, fluid pressure and valve, calibrated flow.

plain first end style designator, plain face flange first end connection type, round first end flange shape style, straight thru body style, 5.000 inches nominal first end flange outside diameter

Product Characteristics

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

First End Flange Outside Diameter: 5.000 inches nominal
Body Style: straight thru
First End Connection Type: plain face flange
First End Style Designator: plain
First End Flange Shape Style: round
First End Flange Thickness: 0.500 inches nominal
First End Bolt Hole Diameter: 0.500 inches nominal
First End Bolt Circle Diameter: 3.875 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 5.500 inches nominal
Flow Control Device: poppet, dual disk
End Connection Quantity: 2
Capillary Tube Length: 120.000 inches nominal
Bulb Length: 12.000 inches nominal
Bulb Diameter: 1.000 inches nominal
Temp Adjustability: not adjustable
End Item Identification: cooling system onboard 378 ft whec coast guard vessels
Temp Rating: 70.00 fahrenheit minimum and 110.0 fahrenheit maximum
Material: copper alloy 922 body
Material: copper alloy 922 stem
Material: copper bulb
Material: nickel alloy flow control device
Material: nickel alloy seat
Material Document And Classification: mil-b-16541 mil spec single material response body
Material Document And Classification: mil-b-16541 mil spec single material response stem
Material Document And Classification: qq-n-288 fed spec single material response flow control device
Material Document And Classification: qq-n-288 fed spec single material response seat

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
40595-102	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-339-9202?

The FSCG of the NSN 4820-01-339-9202 is 4820

Does the NSN 4820-01-339-9202 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-339-9202 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 4820-01-339-9202 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-339-9202 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 4820-01-339-9202 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, Jun 4, 1991