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4820-00-844-7744

Safety Relief Valve

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Official Item Classification

Nombre
Safety Relief Valve
(NSN) Número de stock nacional
4820-00-844-7744
(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
01/01/1962 (hace 64 años)

right-hand 1st end thread direction, 1.000 inches 1st end nominal pipe size accommodated, poppet flow control device, spring disk loading method, -40.0 fahrenheit 1st response maximum operating temp

Specs & Compatibility

Tamaño nominal de la tubería acomodada

1.000 inches 1st end

Dirección de la rosca

right-hand 1st end

Dispositivo de control de flujo

poppet

Método de carga de disco

spring

Temperatura máxima de funcionamiento

-40.0 fahrenheit 1st response

Temperatura máxima de funcionamiento

250.0 fahrenheit 2nd response

Estilo de conexión

plain (pipe) 1st end

Método de operación de la válvula

automatic

Tipo de conexión

threaded external pipe 1st end

Características proporcionadas

valve stem lock shield and bonnet packing and pressure tight outlet side

Presión máxima de funcionamiento

200.0 pounds per square inch single response

Tamaño nominal de la rosca

1.000 inches 1st end

Ajuste de la presión de apertura

21.0 pounds per square inch

Características especiales

pop-off type

Material

steel comp 303 overall

Medios para los que se diseñaron

acetylene 2nd response

Medios para los que se diseñaron

air 1st response

Medios para los que se diseñaron

ammonia, gaseous 3rd response

Medios para los que se diseñaron

hydrogen 5th response

Medios para los que se diseñaron

refrigerant 12 4th response

Designador de estilo

straight thru note: to be used for valve bodies of one section only.

Designador de serie de roscas

npt 1st end

Número de referencia Características diferenciadoras

as differentiated by pre-set setting

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
559A1M Safety Relief Valve
559A8M21 Safety Relief Valve
559T-8M-21 Safety Relief Valve

Preguntas frecuentes

What is the FSCG of the NSN 4820-00-844-7744?
The FSCG of the NSN 4820-00-844-7744 is 4820
Does the NSN 4820-00-844-7744 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-844-7744 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 4820-00-844-7744 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-844-7744 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 4820-00-844-7744 was assigned to the Federal Catalog?
It was assigned hace 64 años, on Mon, Jan 1, 1962