4820-01-090-9653

Find complete technical information, availability, and procurement data for: 4820-01-090-9653
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-090-9653

Item Name Code

05483

Assigment Date

02/28/1980 (46 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

plain (tube) 1st end connection style, right-hand 2nd end thread direction, stem flow control device, threaded bonnet attachment method, outside screw-yoke bonnet type

Product Characteristics

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

Thread Direction: right-hand 2nd end
Flow Control Device: stem
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: threaded
Connection Style: plain (tube) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: manual
Connection Type: threaded external pipe 2nd end
Connection Type: unthreaded internal tube 1st end
Nominal Thread Size: 0.125 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.125 inches 1st end
Material: copper alloy 630 flow control device
Material: nickel alloy 400 body
Material: rubber butadiene-acrylonitrile class nbr packing
Material Document And Classification: mil-p-5516,classb mil spec single material response packing
Material Document And Classification: qq-n-281 fed spec single material response body
Material Document And Classification: qq-c-465,com+630 fed spec single material response flow control device
Style Designator: angle
Thread Series Designator: npt 2nd 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
11-97-2911	Angle Valve
2640-599 ASSYBS	Angle Valve
2640-599ASSYB	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-090-9653?

The FSCG of the NSN 4820-01-090-9653 is 4820

Does the NSN 4820-01-090-9653 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-090-9653 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 4820-01-090-9653 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-090-9653 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 4820-01-090-9653 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Thu, Feb 28, 1980