4820-00-400-6738

Find complete technical information, availability, and procurement data for: 4820-00-400-6738
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-400-6738

Item Name Code

05488

Assigment Date

03/05/1969 (57 years ago)

plain (pipe) 1st end connection style, right-hand all ends thread direction, poppet flow control device, spring disk loading method, plain,optional end(pipe) 2nd end connection style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Material: copper alloy overall
Style Designator: angle
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3740-00-862-5113	No Name Available	02/01/1977

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
BT502	Safety Relief Valve
BT502-6815	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-400-6738?

The FSCG of the NSN 4820-00-400-6738 is 4820

Does the NSN 4820-00-400-6738 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-400-6738 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 4820-00-400-6738 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-400-6738 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 4820-00-400-6738 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Mar 5, 1969