4820-01-118-7460

Find complete technical information, availability, and procurement data for: 4820-01-118-7460
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-118-7460

Item Name Code

05488

Assigment Date

09/10/1981 (44 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.

2b 1st end thread class, disk flow control device, right-hand 1st end thread direction, right-hand 2nd end thread direction, 2b 2nd end thread class

Product Characteristics

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

Thread Class: 2b 1st end
Thread Class: 2b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Maximum Operating Temp: 225.0 fahrenheit single response
Connection Style: gasket seal(boss) 1st end
Connection Style: gasket seal(boss) 2nd end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Connection Type: threaded internal boss 2nd end
Maximum Operating Pressure: 2000.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches 2nd end
Nominal Thread Size: 1.062 inches 1st end
Opening Pressure Setting: 200.0 pounds per square inch
Material: iron cast body
Material: steel seat
Style Designator: cross
Thread Series Designator: unf 1st end
Thread Series Designator: unf 2nd 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
B-7866	Safety Relief Valve
B-7866-3	Safety Relief Valve
VPRP5B-3-A-A-200	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-118-7460?

The FSCG of the NSN 4820-01-118-7460 is 4820

Does the NSN 4820-01-118-7460 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-118-7460 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 4820-01-118-7460 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-118-7460 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 4820-01-118-7460 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Sep 10, 1981