4820-01-421-6775

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Check Valve

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Official Item Classification

Name: Check Valve
(NSN) National Stock Number: 4820-01-421-6775
(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: 11/13/1995 (30 years ago)

flange all ends connection type, spring disk loading method, strategic sealift conversion ships class end item identification, round all ends flange shape, automatic valve operation method

Specs & Compatibility

Disk Loading Method

spring

End Item Identification

strategic sealift conversion ships class

Valve Operation Method

automatic

Flange Shape

round all ends

Connection Type

flange all ends

Mounting Position

horizontal or vertical

Valve Size

16.000 inches

Maximum Operating Pressure

285.0 pounds per square inch single response

Nominal Outside Diameter

20.250 inches all ends

Face To Face Distance

7.500 inches

Flange Face Design

plain all ends

Material

copper alloy body

Style Designator

straight thru 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
16G15BMF-72 16.00 IN	Check Valve
CD0027 16.00IN	Check Valve
G15XMP-72 16.00	Check Valve
G15XMP-72 16.00 IN	Check Valve
G15XPP-72 16.00	Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-421-6775?

The FSCG of the NSN 4820-01-421-6775 is 4820

Does the NSN 4820-01-421-6775 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-421-6775 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 4820-01-421-6775 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-6775 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 4820-01-421-6775 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Nov 13, 1995