4820-00-477-9750

Find complete technical information, availability, and procurement data for: 4820-00-477-9750
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-477-9750

Item Name Code

10958

Assigment Date

05/25/1970 (56 years ago)

A length of nonmetallic hose with fittings on one or both ends. For items without fittings, see hose, nonmetallic. Excludes:hose assembly, air duct; and hose assembly, air duct, air breathing.

single connection, straight flow body style, threaded external boss first end connection type, oxygen, gaseous media for which designed, -65.0 fahrenheit and 180.0 fahrenheit temp rating, external seat for gasket seal first end style designator

Product Characteristics

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

Body Style: single connection, straight flow
Temp Rating: -65.0 fahrenheit and 180.0 fahrenheit
Media For Which Designed: oxygen, gaseous
First End Connection Type: threaded external boss
First End Style Designator: external seat for gasket seal
First End Thread Class: 3a
First End Thread Direction: right-hand
Flow Control Device: poppet
End Connection Quantity: 1
Disk Loading Method: spring
Opening Pressure Setting: 3.0 pounds per square inch
Valve Venting Design Type: atmospheric
Valve Relief Design Type: pressure and vacuum
Material: aluminum flow control device
Material: aluminum stem
Material: aluminum alloy 2024 body
Material: aluminum alloy 2024 seat
Material Document And Classification: qq-a-225/6, alloy 2024, t4 fed spec single material response body
Material Document And Classification: qq-a-225/6, alloy 2024, t4 fed spec single material response seat
Surface Treatment: anodize overall

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
4820004779750	Gaseou Pressure Equalizing Valve
8437270	Gaseou Pressure Equalizing Valve
B41120FF3	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-00-477-9750?

The FSCG of the NSN 4820-00-477-9750 is 4820

Does the NSN 4820-00-477-9750 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-477-9750 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 4820-00-477-9750 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-477-9750 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 4820-00-477-9750 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, May 25, 1970