4820-00-726-7862

Find complete technical information, availability, and procurement data for: 4820-00-726-7862
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-726-7862

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

threaded bonnet attachment method, poppet flow control device, inside spring bonnet type, 3a 1st end thread class, right-hand 1st end thread direction

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: threaded
Disk Loading Method: spring
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Features Provided: valve stem lock shield
Thread Quantity Per Inch: 20 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Opening Pressure Setting: 3450.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: aluminum alloy and rubber synthetic flow control device
Material: aluminum alloy body
Material: nickel alloy seat
Media For Which Designed: air single response
Surface Treatment: anodize
Style Designator: angle
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-627-4306	No Name Available	01/01/1963
4820-00-664-1107	No Name Available	02/01/1988

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
840892-01	Safety Relief Valve
840892-1	Safety Relief Valve
9062599	Safety Relief Valve
PC475600022-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-726-7862?

The FSCG of the NSN 4820-00-726-7862 is 4820

Does the NSN 4820-00-726-7862 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-726-7862 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 4820-00-726-7862 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-726-7862 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 4820-00-726-7862 was assigned to the Federal Catalog?

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