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4820-01-440-7749

Safety Relief Valve

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Official Item Classification

Nombre
Safety Relief Valve
(NSN) Número de stock nacional
4820-01-440-7749
(FSG) Grupo de suministro federal
48 Valves
(FSC) Clasificación Federal de Suministros
4820 Válvulas no motorizadas
(INC) Código de nombre del artículo
05488
(FIIG) Guía Federal de Identificación de Artículos
A046B0
Fecha
01/24/1997 (hace 29 años)

disk flow control device, 500.0 fahrenheit single response maximum operating temp, 4 all ends bolt hole quantity, nimitz class cvn end item identification, spring disk loading method

Specs & Compatibility

Dispositivo de control de flujo

disk

Método de carga de disco

spring

Cantidad de orificios para pernos

4 all ends

Temperatura máxima de funcionamiento

500.0 fahrenheit single response

Identificación del artículo final

nimitz class cvn

Método de operación de la válvula

automatic

Forma de brida

round with holes all ends

Tipo de conexión

flange all ends

Tamaño de la válvula

2.500 inches

Rango de presión ajustable

+15.0 to 19.0 pounds per square inch

Presión máxima de funcionamiento

225.0 pounds per square inch single response

Diámetro exterior nominal

7.000 inches all ends

Espesor nominal

0.875 inches all ends

Primera distancia de la cara de conexión a la línea central

5.500 inches

Diámetro nominal del orificio del perno

0.750 inches all ends

Segunda distancia de la cara de conexión a la línea central

5.500 inches

Diámetro nominal del círculo de pernos

5.500 inches all ends

Diseño de cara de brida

raised straight all ends

Altura nominal de la cara elevada

0.062 inches all ends

Diámetro nominal de la cara elevada

4.120 inches all ends

Nombre de la pieza asignado por la agencia de control

2 1/2in relief valve, type 2741-t

Material

steel comp 303 flow control device

Material

steel comp 303 stem

Material

steel uns j03002 body

Material

steel uns j92600 seat

Material, Documento Y Clasificación

astm a216, gr. wcb assn std single material response body

Material, Documento Y Clasificación

astm a351, gr. cf8 assn std single material response seat

Material, Documento Y Clasificación

astm a582, comp 303 assn std single material response flow control device

Material, Documento Y Clasificación

astm a582, comp 303 assn std single material response stem

Designador de estilo

angle flanged ends

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

0005488

Related Hardware Products

Número de Parte Descripción
20243C41SS Safety Relief Valve
CASNN03SJJ Safety Relief Valve

Preguntas frecuentes

What is the FSCG of the NSN 4820-01-440-7749?
The FSCG of the NSN 4820-01-440-7749 is 4820
Does the NSN 4820-01-440-7749 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-440-7749 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 4820-01-440-7749 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-440-7749 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 4820-01-440-7749 was assigned to the Federal Catalog?
It was assigned hace 29 años, on Fri, Jan 24, 1997