4820-01-030-4941

Find complete technical information, availability, and procurement data for: 4820-01-030-4941
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-030-4941

Item Name Code

05487

Assigment Date

11/07/1976 (49 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.

3a 2nd end thread class, right-hand 1st end thread direction, right-hand 2nd end thread direction, 3a 1st end thread class, poppet flow control device

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 Class: 3a 2nd 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: 160.0 fahrenheit 2nd response
Connection Style: flareless 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 2nd end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 15.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.500 inches 2nd end
Seat Angle: 12.0 degrees 1st end
Material: aluminum alloy 2024 body
Material: steel comp 440c flow control device
Material: steel comp 440c seat
Material Document And Classification: qq-a-225/6,alloy 2024,t351 fed spec single material response body
Material Document And Classification: qq-a-225/6,alloy 2024,t351 fed spec single material response seat
Material Document And Classification: qq-s-763,class 440c fed spec single material response flow control device
Media For Which Designed: fuel/oil, hydrocarbon single response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,ty 2 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unjf 2nd end
Thread Series Designator: unjf 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
2C9764	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-030-4941?

The FSCG of the NSN 4820-01-030-4941 is 4820

Does the NSN 4820-01-030-4941 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-030-4941 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 4820-01-030-4941 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-030-4941 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 4820-01-030-4941 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Nov 7, 1976