4820-00-151-6678

Find complete technical information, availability, and procurement data for: 4820-00-151-6678
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-151-6678

Item Name Code

05488

Assigment Date

10/18/1971 (54 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.

integral bonnet attachment method, diaphragm flow control device, inside screw bonnet type, 0.250 inches all ends nominal pipe size accommodated, right-hand all ends thread direction

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: 0.250 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: diaphragm
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Maximum Operating Temp: 70.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: aluminum alloy seat
Material: aluminum alloy body
Material: rubber butadiene-acrylonitrile class nbr and plastic polytetrafluoroethylene flow control device
Surface Treatment: paint
Style Designator: straight thru
Thread Series Designator: npt all ends

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
10658293	Safety Relief Valve
30132NT20PSI	Safety Relief Valve
30232 NT 20 PSI	Safety Relief Valve
30232NT	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-151-6678?

The FSCG of the NSN 4820-00-151-6678 is 4820

Does the NSN 4820-00-151-6678 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-151-6678 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 4820-00-151-6678 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-151-6678 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 4820-00-151-6678 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Oct 18, 1971