4820-00-794-1776

Find complete technical information, availability, and procurement data for: 4820-00-794-1776
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-794-1776

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

poppet flow control device, right-hand 2nd end thread direction, 3b 1st end thread class, right-hand 1st end thread direction, 3b 2nd end 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: 3b 1st end
Thread Class: 3b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Connection Type: threaded internal boss 2nd end
Mounting Facility: threaded fastener
Features Provided: bonnet packing
Thread Quantity Per Inch: 18 2nd end
Adjustable Pressure Range: +10.0 to 200.0 pounds per square inch
Nominal Thread Size: 0.562 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: aluminum alloy 2024 flow control device
Material: aluminum alloy 2024 seat
Material: aluminum alloy 208.0 or aluminum alloy 319.0 or aluminum alloy 328.0 body
Material: aluminum alloy 2024 stem
Material Document And Classification: qq-a-225/6,alloy 2024 fed spec single material response flow control device
Material Document And Classification: qq-a-225/6,alloy 2024 fed spec single material response seat
Material Document And Classification: qq-a-225/6,alloy 2024 fed spec single material response stem
Material Document And Classification: qq-a-601,t6 fed spec single material response body
Style Designator: angle
Thread Series Designator: unf 1st end
Thread Series Designator: unf 2nd 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
76912-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-794-1776?

The FSCG of the NSN 4820-00-794-1776 is 4820

Does the NSN 4820-00-794-1776 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-794-1776 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 4820-00-794-1776 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-794-1776 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 4820-00-794-1776 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962