4820-00-855-3437

Find complete technical information, availability, and procurement data for: 4820-00-855-3437
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-855-3437

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

right-hand 1st end thread direction, 18 1st end thread quantity per inch, pressure tight outlet side features provided, spring disk loading method, threaded external boss 1st end connection 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 1st end
Disk Loading Method: spring
Connection Type: threaded external boss 1st end
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 18 1st end
Nominal Thread Size: 0.625 inches 1st end
Opening Pressure Setting: 3000.0 pounds per square inch
Material: steel corrosion resisting body
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem
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
3053973-4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-855-3437?

The FSCG of the NSN 4820-00-855-3437 is 4820

Does the NSN 4820-00-855-3437 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-855-3437 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 4820-00-855-3437 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-855-3437 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 4820-00-855-3437 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962