8330739

View detailed technical data, stock status, and sourcing information for: 8330739
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-622-0166

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

0.375 inches 1st end nominal pipe size accommodated, air valve operation method, right-hand 1st end thread direction, diaphragm flow control device, plain (pipe) 1st 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.

Nominal Pipe Size Accommodated: 0.375 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: diaphragm
Connection Style: plain (pipe) 1st end
Valve Operation Method: air
Connection Type: threaded external pipe 1st end
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 18 1st end
Maximum Operating Pressure: 0.250 pounds per square inch single response
Nominal Thread Size: 0.375 inches 1st end
Material: steel body
Material: steel seat
Media For Which Designed: air single response
Style Designator: straight thru
Thread Series Designator: npt 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
8330739	Safety Relief Valve
R4438	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-622-0166?

The FSCG of the NSN 4820-00-622-0166 is 4820

Does the NSN 4820-00-622-0166 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-622-0166 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 4820-00-622-0166 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-622-0166 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 4820-00-622-0166 was assigned to the Federal Catalog?

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