4820-00-618-7000

Find complete technical information, availability, and procurement data for: 4820-00-618-7000
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-618-7000

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

poppet flow control device, 3a all ends thread class, right-hand all ends thread direction, 275.0 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: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded external boss all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches all ends
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel corrosion resisting flow control device
Media For Which Designed: hydraulic fluid, mineral base single response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-540-3558	No Name Available	01/01/1960
1650-00-783-3230	No Name Available	01/01/1960

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
4CV4610	Check Valve
4CV4612	Check Valve
4CV464	Check Valve
668053-3	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-618-7000?

The FSCG of the NSN 4820-00-618-7000 is 4820

Does the NSN 4820-00-618-7000 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-618-7000 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 4820-00-618-7000 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-618-7000 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 4820-00-618-7000 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963