0548-A01-KM0080

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-118-5098

Item Name Code

05488

Assigment Date

10/16/1968 (57 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.

right-hand all ends thread direction, threaded bonnet attachment method, disk flow control device, 0.250 inches all ends nominal pipe size accommodated, inside spring bonnet type

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: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 79.0 cubic feet per minute
Maximum Operating Temp: 180.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 80.0 pounds per square inch
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Material: copper alloy stem
Material: rubber synthetic packing
Media For Which Designed: air 1st response
Media For Which Designed: gas, natural 2nd response
Style Designator: angle
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
0548-A01-KM0080	Safety Relief Valve
28A-1/4IPS-80PSI	Safety Relief Valve
VAL1416	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-118-5098?

The FSCG of the NSN 4820-00-118-5098 is 4820

Does the NSN 4820-00-118-5098 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-118-5098 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 4820-00-118-5098 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-118-5098 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 4820-00-118-5098 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Oct 16, 1968