4820-01-306-0212

Find complete technical information, availability, and procurement data for: 4820-01-306-0212
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-306-0212

Item Name Code

05488

Assigment Date

08/16/1989 (37 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.

bolted bonnet attachment method, 1.500 inches 1st end nominal pipe size accommodated, disk flow control device, outside screw-yoke bonnet type, 1.250 inches 2nd end nominal pipe size accommodated

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: 1.250 inches 2nd end
Nominal Pipe Size Accommodated: 1.500 inches 1st end
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 750.0 fahrenheit single response
Connection Style: socket 1st end
Connection Style: socket 2nd end
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe 1st end
Connection Type: unthreaded internal pipe 2nd end
Adjustable Pressure Range: +140.0 to 158.0 pounds per square inch
Maximum Operating Pressure: 425.0 pounds per square inch single response
Material: steel body
Material: steel comp 416 stem
Material: steel corrosion resisting flow control device
Media For Which Designed: air 1st response
Media For Which Designed: steam 2nd response
Style Designator: angle

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
K30LGF01-LS0140	Safety Relief Valve
V312 1.25XGX1.50IPS 140T158PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-306-0212?

The FSCG of the NSN 4820-01-306-0212 is 4820

Does the NSN 4820-01-306-0212 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-306-0212 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 4820-01-306-0212 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-306-0212 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 4820-01-306-0212 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Aug 16, 1989