8-3044-75

View detailed technical data, stock status, and sourcing information for: 8-3044-75
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-142-2981

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

automatic valve operation method, spring disk loading method, 160.0 fahrenheit 1st response maximum operating temp, disk flow control device, 160.0 fahrenheit 2nd response maximum operating temp

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: spring
Maximum Operating Temp: 160.0 fahrenheit 1st response
Maximum Operating Temp: 160.0 fahrenheit 2nd response
Valve Operation Method: automatic
Connection Type: unthreaded external hose 1st end
Connection Type: unthreaded external hose 2nd end
Mounting Position: horizontal
Maximum Operating Pressure: 75.0 pounds per square inch 1st response
Maximum Operating Pressure: 75.0 pounds per square inch 2nd response
Material: aluminum alloy seat
Material: aluminum alloy body
Media For Which Designed: air 1st response
Media For Which Designed: water, fresh 2nd response
Style Designator: straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-486-3136	No Name Available	01/01/1961

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
528-20D	Check Valve
8-3044-75	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-142-2981?

The FSCG of the NSN 4820-00-142-2981 is 4820

Does the NSN 4820-00-142-2981 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-142-2981 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 4820-00-142-2981 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-142-2981 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 4820-00-142-2981 was assigned to the Federal Catalog?

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