444BSE 1-1/4IN

View detailed technical data, stock status, and sourcing information for: 444BSE 1-1/4IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-274-3624

Item Name Code

20962

Assigment Date

03/08/1988 (38 years ago)

A device designed for installation in the main riser of a dry or empty pipe automatic sprinkler system and held closed by spring force, air, or water pressure. Water is automatically released to the sprinkler system either by releasing or lowering the pressure beyond the minimum requirement or admitting and increasing the pressure to overcome the spring force.

bolted bonnet attachment method, inside screw bonnet type, plain,optional end(pipe) all ends connection style, right-hand all ends thread direction, manual 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.

Thread Direction: right-hand all ends
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 1.250 inches all ends
Material: rubber butadiene-acrylonitrile class nbr seat
Material: steel body
Material: steel flow control device
Material: steel stem
Style Designator: straight thru
Thread Series Designator: npt all 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
1-1/4IN 444BSE	Ball Valve
444BSE 1-1/4IN	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-274-3624?

The FSCG of the NSN 4820-01-274-3624 is 4820

Does the NSN 4820-01-274-3624 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-274-3624 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 4820-01-274-3624 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-274-3624 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 4820-01-274-3624 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Mar 8, 1988