P12614865

View detailed technical data, stock status, and sourcing information for: P12614865
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-186-8658

Item Name Code

05487

Assigment Date

08/16/1984 (42 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 1st end thread direction, disk flow control device, gasket seal (boss) 1st end connection style, 2b 1st end thread class, automatic valve operation method

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 Direction: right-hand 1st end
Flow Control Device: disk
Connection Style: gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 1.625 inches 1st end
Nominal Outside Diameter Tube Accommodated: 1.250 inches all ends
Material: aluminum body
Material: rubber seat
Material: steel flow control device
Style Designator: straight thru
Thread Series Designator: un 1st 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
593-20D2	Check Valve
P12614865	Check Valve
P12620939	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-186-8658?

The FSCG of the NSN 4820-01-186-8658 is 4820

Does the NSN 4820-01-186-8658 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-186-8658 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 4820-01-186-8658 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-186-8658 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 4820-01-186-8658 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Aug 16, 1984