4820-00-541-0434

Find complete technical information, availability, and procurement data for: 4820-00-541-0434
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-541-0434

Item Name Code

05488

Assigment Date

01/01/1963 (63 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,optional end(pipe) 1st end connection style, disk flow control device, right-hand 1st end thread direction, 0.750 inches 1st end nominal pipe size accommodated, spring disk loading method

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.750 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain,optional end(pipe) 1st end
Connection Type: threaded internal pipe 1st end
Mounting Facility: threaded fastener
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 14 1st end
Maximum Operating Pressure: 17.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 17.0 pounds per square inch
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel corrosion resisting stem
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-094-8966	No Name Available	01/01/1960
1650-00-511-2028	No Name Available	01/01/1963

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
38E01-2	Safety Relief Valve
38E01-2A	Safety Relief Valve
E120248	Safety Relief Valve
E12024B	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-541-0434?

The FSCG of the NSN 4820-00-541-0434 is 4820

Does the NSN 4820-00-541-0434 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-541-0434 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 4820-00-541-0434 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-541-0434 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 4820-00-541-0434 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963