4820-00-146-0522

Find complete technical information, availability, and procurement data for: 4820-00-146-0522
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-146-0522

Item Name Code

05487

Assigment Date

09/22/1971 (54 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.

spring disk loading method, right-hand all ends thread direction, poppet flow control device, 200.0 fahrenheit single response maximum operating temp, 3a all ends 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: 3a 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: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 0.313 inches all ends
Seat Angle: 37.0 degrees all ends
Material: aluminum alloy 2017 and aluminum alloy 2024 seat
Material: aluminum alloy 2024 and aluminum alloy 2017 body
Material: steel flow control device
Material Document And Classification: qq-a-225/6,alloy 2017,t4 fed spec 1st material response and qq-a-225/6,alloy 2024,t351 fed spec 2nd material response seat
Material Document And Classification: qq-a-225/5,alloy 2017,t4 fed spec 1st material response and qq-a-225/6,alloy 2024,t351 fed spec 2nd material response body
Media For Which Designed: air 1st response
Media For Which Designed: nitrogen, gaseous 2nd response
Surface Treatment: anodize
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
103609-2	Check Valve
322AS150	Check Valve
322AS150-2	Check Valve
458-5D2-6	Check Valve
8-2963-3-458	Check Valve
H299A5TT	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-146-0522?

The FSCG of the NSN 4820-00-146-0522 is 4820

Does the NSN 4820-00-146-0522 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-146-0522 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 4820-00-146-0522 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-146-0522 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 4820-00-146-0522 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 22, 1971