4820-00-056-4748

Find complete technical information, availability, and procurement data for: 4820-00-056-4748
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-056-4748

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 1st end thread class, right-hand 1st end thread direction, right-hand 2nd end thread direction, 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 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -65.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd response
Connection Style: flared (tube) 1st end
Connection Style: plain, optional end (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Connection Type: threaded internal pipe 2nd end
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees 1st end
Material: aluminum alloy seat
Material: aluminum alloy body
Material: steel corrosion resisting and rubber butadiene-acrylonitrile class nbr flow control device
Media For Which Designed: hydraulic fluid, mineral base 1st response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: anpt 2nd end
Thread Series Designator: unf 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
456-8D	Check Valve
456-8D2-6	Check Valve
9167664-55	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-056-4748?

The FSCG of the NSN 4820-00-056-4748 is 4820

Does the NSN 4820-00-056-4748 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-056-4748 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 4820-00-056-4748 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-056-4748 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 4820-00-056-4748 was assigned to the Federal Catalog?

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