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4820-01-331-2821

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-331-2821
(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
12/15/1990 (35 years ago)

round all ends flange shape, horizontal mounting position, disk flow control device, flange all ends connection type, automatic valve operation method

Specs & Compatibility

Flow Control Device

disk

Valve Operation Method

automatic

Flange Shape

round all ends

Connection Type

flange all ends

Mounting Position

horizontal

Maximum Operating Pressure

150.0 pounds per square inch single response

Nominal Outside Diameter

6.000 inches all ends

Nominal Thickness

1.000 inches all ends

Flange Face Design

plain all ends

Material

steel body

Style Designator

straight thru

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

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

Hazardous Metals Indicator
N

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
216-32-136 6IN D-04186 Check Valve
6IN 1601-AC Check Valve
D-04186 1601-AC Check Valve
D-041B6 Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-331-2821?
The FSCG of the NSN 4820-01-331-2821 is 4820
Does the NSN 4820-01-331-2821 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-331-2821 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 4820-01-331-2821 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-331-2821 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 4820-01-331-2821 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Sat, Dec 15, 1990