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668391 Stop-Check Valve

4820-00-794-4991

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Manual Control Handle
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Valve Assembly
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Check Ball

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Official Item Classification

Nombre
Stop-Check Valve
Número de Parte
668391
(NSN) Número de stock nacional
4820-00-794-4991
(FSG) Grupo de suministro federal
48 Valves
(FSC) Clasificación Federal de Suministros
4820 Válvulas no motorizadas
(INC) Código de nombre del artículo
05486
(FIIG) Guía Federal de Identificación de Artículos
A530B0
Fecha
01/01/1962 (hace 64 años)

gasket seal (boss) 1st end connection style, manual valve operation method, 3b 1st end thread class, right-hand 1st end thread direction, 150.0 fahrenheit single response maximum operating temp

Specs & Compatibility

Clase de rosca

3b 1st end

Dirección de la rosca

right-hand 1st end

Temperatura máxima de funcionamiento

150.0 fahrenheit single response

Estilo de conexión

gasket seal (boss) 1st end

Método de operación de la válvula

manual

Tipo de conexión

threaded internal boss 1st end

Cantidad de hilo por pulgada

16 1st end

Presión máxima de funcionamiento

3000.0 pounds per square inch single response

Tamaño nominal de la rosca

0.750 inches 1st end

Material

rubber butadiene-acrylonitrile class nbr packing

Material

rubber butadiene-acrylonitrile class nbr seat

Material

steel comp 303 body

Material

steel comp 303 stem

Medios para los que se diseñaron

hydraulic fluid, petroleum base single response

Tratamiento superficial

passivate

Designador de estilo

straight thru

Designador de serie de roscas

unjf 1st end

Replacement For

Número de Parte Descripción
4820-00-675-0824 No Name Available 02/14/1966

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.

Source of Supply Code

F8U

Pseudo Item Name Code

0005486

Related Hardware Products

Número de Parte Descripción
3-758-1-9 Stop-Check Valve
3-758-51-9 Stop-Check Valve
668391 Stop-Check Valve
668391-3 Stop-Check Valve

Preguntas frecuentes

What is the FSCG of the NSN 4820-00-794-4991?
The FSCG of the NSN 4820-00-794-4991 is 4820
Does the NSN 4820-00-794-4991 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-794-4991 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 4820-00-794-4991 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-794-4991 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 4820-00-794-4991 was assigned to the Federal Catalog?
It was assigned hace 64 años, on Mon, Jan 1, 1962