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4820-01-256-0188

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-256-0188
(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
05/30/1987 (39 years ago)

automatic valve operation method, with semi-circular float disk;fine flame screen and heavy protective mesh special features, vertical mounting position, disk flow control device, 2.500 inches 1st end nominal pipe size accommodated

Specs & Compatibility

Nominal Pipe Size Accommodated

2.500 inches 1st end

Flow Control Device

disk

Valve Operation Method

automatic

Mounting Position

vertical

Special Features

with semi-circular float disk;fine flame screen and heavy protective mesh

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
2-1/2IN.1750-W Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-256-0188?
The FSCG of the NSN 4820-01-256-0188 is 4820
Does the NSN 4820-01-256-0188 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-256-0188 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 4820-01-256-0188 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-256-0188 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 4820-01-256-0188 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Sat, May 30, 1987