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4820-00-495-6783

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-00-495-6783
(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
02/12/1971 (55 years ago)

plain, optional end (pipe) 1st end connection style, automatic valve operation method, disk flow control device, 0.125 inches 1st end nominal pipe size accommodated, right-hand 1st end thread direction

Specs & Compatibility

Nominal Pipe Size Accommodated

0.125 inches 1st end

Thread Direction

right-hand 1st end

Flow Control Device

disk

Connection Style

plain, optional end (pipe) 1st end

Valve Operation Method

automatic

Connection Type

threaded internal pipe 1st end

Mounting Position

horizontal

Thread Quantity Per Inch

27 1st end

Nominal Thread Size

0.125 inches 1st end

Criticality Code Justification

zzzy

Material

copper alloy body

Style Designator

straight thru

Thread Series Designator

npt 1st end

Reference Number Differentiating Characteristics

cleaning, packaging, and marking iaw the latest revision of mil-std-1330

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-495-6783?
The FSCG of the NSN 4820-00-495-6783 is 4820
Does NSN 4820-00-495-6783 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 4820-00-495-6783 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-495-6783 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 4820-00-495-6783 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Feb 12, 1971