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4820-00-482-4028

Stop-Check Valve

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Official Item Classification

Name
Stop-Check Valve
(NSN) National Stock Number
4820-00-482-4028
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05486
(FIIG) Federal Item Identification Guide
A530B0
Date
03/17/1972 (54 years ago)

disk flow control device, outside screw-yoke bonnet type, bolted bonnet attachment method, 975.0 fahrenheit single response maximum operating temp, 0.500 inches all ends nominal pipe size accommodated

Specs & Compatibility

Nominal Pipe Size Accommodated

0.500 inches all ends

Flow Control Device

disk

Bonnet Type

outside screw-yoke

Bonnet Attachment Method

bolted

Maximum Operating Temp

975.0 fahrenheit single response

Connection Style

socket (pipe) all ends

Valve Operation Method

manual

Connection Type

unthreaded internal pipe all ends

Mounting Position

horizontal

Features Provided

bonnet packing

Maximum Operating Pressure

600.0 pounds per square inch single response

Special Features

valve size 1/2 in.

Material

steel body

Material

steel flow control device

Material

steel seat

Material

steel stem

Material Document And Classification

aastm a182,grade f11 assn std single material response body

Material Document And Classification

mil-r-1713,mil-rcocr-a mil spec single material response flow control device

Material Document And Classification

mil-r-17131,mil-rcocr-a mil spec single material response seat

Media For Which Designed

steam single response

Style Designator

straight thru

Test Data Document

"81349-mil-s-901 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Nondefinitive Spec/Std Data

b composition

Replacement For

Part Number Description
4820-00-758-7633 No Name Available 05/01/1976

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.

Source of Supply Code

N35

Pseudo Item Name Code

0005486

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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-482-4028?
The FSCG of the NSN 4820-00-482-4028 is 4820
Does the NSN 4820-00-482-4028 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-482-4028 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 4820-00-482-4028 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-482-4028 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 4820-00-482-4028 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Mar 17, 1972