4820-00-658-3144

Find complete technical information, availability, and procurement data for: 4820-00-658-3144
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-658-3144

Item Name Code

05488

Assigment Date

01/01/1961 (65 years ago)

inside screw bonnet type, threaded bonnet attachment method, 3b 1st end thread class, right-hand 1st end thread direction, disk flow control device

Product Characteristics

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

Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 2.0 gallons per minute
Maximum Operating Temp: 110.0 fahrenheit single response
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Connection Type: threaded internal boss 2nd end
Features Provided: valve stem lock shield and bonnet packing and pressure tight outlet side
Thread Quantity Per Inch: 16 1st end
Maximum Operating Pressure: 120.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 150.0 pounds per square inch
Material: aluminum alloy stem
Material: aluminum alloy body
Material: plastic polyamide (nylon) flow control device
Material: steel seat
Style Designator: angle
Thread Series Designator: unf 1st 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
1294646	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-658-3144?

The FSCG of the NSN 4820-00-658-3144 is 4820

Does the NSN 4820-00-658-3144 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-658-3144 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 4820-00-658-3144 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-658-3144 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 4820-00-658-3144 was assigned to the Federal Catalog?

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