4820-00-344-4712

Find complete technical information, availability, and procurement data for: 4820-00-344-4712
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-344-4712

Item Name Code

05488

Assigment Date

01/20/1974 (52 years ago)

inside spring bonnet type, poppet flow control device, right-hand 1st end thread direction, 3a 1st end thread class, integral bonnet attachment 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
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: 140.0 fahrenheit 2nd response
Minimum Operating Temp: -40.0 fahrenheit
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 1st end
Maximum Operating Pressure: 200.0 pounds per square inch 1st response
Nominal Thread Size: 0.562 inches 1st end
Opening Pressure Setting: 4.7 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.375 inches 1st end
Material: aluminum alloy 2024 and rubber butadiene-acrylonitrile class nbr flow control device
Material: aluminum alloy 2024 body
Material: aluminum alloy 2024 seat
Material Document And Classification: qq-a-225/6,alloy2024,t4 fed spec 1st material response flow control device
Material Document And Classification: qq-a-225/6,alloy2024,t4 fed spec single material response body
Material Document And Classification: qq-a-225/6,alloy2024,t4 fed spec single material response seat
Media For Which Designed: air 1st response
Surface Treatment: anodize
Style Designator: straight thru w/baffle
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
D537A6D4.7	Safety Relief Valve
D559A-6D-4.7	Safety Relief Valve
ST7M304	Safety Relief Valve
ST7M304D6-4.7	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-344-4712?

The FSCG of the NSN 4820-00-344-4712 is 4820

Does the NSN 4820-00-344-4712 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-344-4712 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 4820-00-344-4712 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-344-4712 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 4820-00-344-4712 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Jan 20, 1974