9-1862-4 PL493-10SS2-2

View detailed technical data, stock status, and sourcing information for: 9-1862-4 PL493-10SS2-2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-297-5033

Item Name Code

05487

Assigment Date

04/04/1989 (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.

3b all ends thread class, right-hand all ends thread direction, poppet flow control device, 200.0 fahrenheit single response maximum operating temp, spring disk loading 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: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches all ends
Material: rubber synthetic seat
Material: steel comp 304 flow control device
Material: steel corrosion resisting body
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Style Designator: straight thru
Thread Series Designator: unf 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
493-10SS2-2	Check Valve
9-1862-4 PL493-10SS2-2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-297-5033?

The FSCG of the NSN 4820-01-297-5033 is 4820

Does the NSN 4820-01-297-5033 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-297-5033 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 4820-01-297-5033 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-297-5033 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 4820-01-297-5033 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Apr 4, 1989