5440A

View detailed technical data, stock status, and sourcing information for: 5440A
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-313-4540

Item Name Code

05487

Assigment Date

01/09/1990 (36 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.

12 all ends thread quantity per inch, right-hand all ends thread direction, 2a all ends thread class, threaded external tube 1st end connection type, threaded internal tube 2nd end connection type

Product Characteristics

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

Thread Class: 2a all ends
Thread Direction: right-hand all ends
Connection Type: threaded external tube 1st end
Connection Type: threaded internal tube 2nd end
Thread Quantity Per Inch: 12 all ends
Nominal Thread Size: 1.875 inches all ends
Thread Series Designator: un 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
5440A	Check Valve
AT59643	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-313-4540?

The FSCG of the NSN 4820-01-313-4540 is 4820

Does NSN 4820-01-313-4540 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 4820-01-313-4540 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-313-4540 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 4820-01-313-4540 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Jan 9, 1990