3.0-72-BQQ-3-Q

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-446-6688

Item Name Code

05487

Assigment Date

07/13/1997 (29 years ago)

usns stalwart class tagos end item identification, disk flow control device, 150.0 fahrenheit single response maximum operating temp, weight disk loading method, automatic valve operation method

Product Characteristics

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

Flow Control Device: disk
Disk Loading Method: weight
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: usns stalwart class tagos
Valve Operation Method: automatic
Flange Shape: round all ends
Connection Type: flange all ends
Mounting Position: horizontal
Valve Size: 3.000 inches
Maximum Operating Pressure: 225.0 pounds per square inch single response
Nominal Outside Diameter: 5.375 inches all ends
Face To Face Distance: 2.875 inches
Flange Face Design: plain all ends
Material: copper alloy body
Material: nickel alloy flow control device
Material: rubber butadiene-acrylonitrile class nbr seat
Material Document And Classification: astm b-62 assn std single material response body
Style Designator: straight thru flanged ends

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
3.0-72-BQQ-3-Q	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-446-6688?

The FSCG of the NSN 4820-01-446-6688 is 4820

Does the NSN 4820-01-446-6688 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-446-6688 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 4820-01-446-6688 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-446-6688 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 4820-01-446-6688 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Sun, Jul 13, 1997