54-240F-2IN Check Valve

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4820-01-226-5982

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Official Item Classification

Name: Check Valve
Part Number: 54-240F-2IN
(NSN) National Stock Number: 4820-01-226-5982
(FSG) Federal Supply Group: 48 Valves
(FSC) Federal Supply Classification: 4820 Nonpowered Valves
(INC) Item Name Code: 05487
(FIIG) Federal Item Identification Guide: A530B0
Date: 02/20/1986 (40 years ago)

6 2nd end bolt hole quantity, disk flow control device, weight disk loading method, automatic valve operation method, 1.000 inches offset distance

Specs & Compatibility

Offset Distance

1.000 inches

Flow Control Device

disk

Disk Loading Method

weight

Bolt Hole Quantity

6 2nd end

Valve Operation Method

automatic

Flange Shape

round 1st end

Flange Shape

round with holes 2nd end

Connection Type

flange all ends

Mounting Position

horizontal

Valve Size

2.000 inches

Nominal Outside Diameter

5.562 inches 2nd end

Nominal Outside Diameter

6.500 inches 1st end

Face To Face Distance

3.938 inches

Nominal Thickness

0.438 inches all ends

Bolt Hole Nominal Diameter

0.562 inches 2nd end

Bolt Circle Nominal Diameter

4.438 inches 2nd end

Flange Face Design

plain all ends

Special Features

inlet flange is per mil-f-20042;outlet flange is special navy

Material

copper alloy 922 overall

Style Designator

offset flanged ends

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005487

Related Hardware Products

Part Number	Description
54-240F-2IN	Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-226-5982?

The FSCG of the NSN 4820-01-226-5982 is 4820

Does NSN 4820-01-226-5982 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 4820-01-226-5982 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-226-5982 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 4820-01-226-5982 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Feb 20, 1986