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4820-00-045-5057

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-00-045-5057
(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
05/13/1967 (59 years ago)

disk flow control device, automatic valve operation method, unthreaded internal pipe 1st end connection type, socket with brazing ring (pipe) 1st end connection style, 2.000 inches 1st end nominal pipe size accommodated

Specs & Compatibility

Nominal Pipe Size Accommodated

2.000 inches 1st end

Flow Control Device

disk

Connection Style

socket with brazing ring (pipe) 1st end

Valve Operation Method

automatic

Connection Type

unthreaded internal pipe 1st end

Mounting Position

horizontal

Criticality Code Justification

zzzy

Material

copper alloy 903 seat

Material

copper alloy 903 body

Media For Which Designed

water-oil-gas single response

Style Designator

straight thru

Reference Number Differentiating Characteristics

quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Replacement For

Part Number Description
4820-01-145-8543 No Name Available 12/01/2002
4820-01-291-8439 No Name Available 02/01/1990

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 4820-00-045-5057?
The FSCG of the NSN 4820-00-045-5057 is 4820
Does NSN 4820-00-045-5057 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 4820-00-045-5057 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-045-5057 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 4820-00-045-5057 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Sat, May 13, 1967