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4820-01-128-2257

Safety Relief Valve

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Partes destacadas

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Seal
004021-1
9905-01-049-3615
Identification Plate
004021-2
9905-01-435-7524
Identification Plate
004021650
5330-01-190-1660
Valve Body Seal
004022
5330-00-008-8690
Face Seal
0040220
5315-00-276-3724
Headed Straight Pin
0040220-6
5315-00-276-3724
Headed Straight Pin

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Official Item Classification

Nombre
Safety Relief Valve
(NSN) Número de stock nacional
4820-01-128-2257
(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
03/18/1982 (hace 44 años)

bolted bonnet attachment method, disk flow control device, 150.0 fahrenheit single response maximum operating temp, inside spring bonnet type, spring disk loading method

Specs & Compatibility

Dispositivo de control de flujo

disk

Tipo de gorro

inside spring

Método de fijación del capó

bolted

Método de carga de disco

spring

Temperatura máxima de funcionamiento

150.0 fahrenheit single response

Estilo de conexión

socket with brazing ring (tube) all ends

Método de operación de la válvula

automatic

Tipo de conexión

unthreaded internal tube all ends

Rango de presión ajustable

+25.0 to 29.0 pounds per square inch

Presión máxima de funcionamiento

400.0 pounds per square inch single response

Diámetro exterior nominal del tubo alojado

1.500 inches all ends

Material

copper alloy body

Material

copper alloy flow control device

Material

copper alloy seat

Material

copper alloy stem

Material

rubber butadiene-acrylonitrile class nbr packing

Material, Documento Y Clasificación

qq-b-637 fed spec single material response stem

Material, Documento Y Clasificación

qq-c-390,alloy d4/d/ fed spec single material response flow control device

Material, Documento Y Clasificación

qq-c-390,alloy d4/d/ fed spec single material response seat

Material, Documento Y Clasificación

qq-c-390,alloy dr/d/ fed spec single material response body

Medios para los que se diseñaron

air 1st response

Medios para los que se diseñaron

water, salt 2nd response

Designador de estilo

angle

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
3,305,277 Safety Relief Valve
E8530E41B Safety Relief Valve

Preguntas frecuentes

What is the FSCG of the NSN 4820-01-128-2257?
The FSCG of the NSN 4820-01-128-2257 is 4820
Does the NSN 4820-01-128-2257 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-128-2257 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 4820-01-128-2257 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-128-2257 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 4820-01-128-2257 was assigned to the Federal Catalog?
It was assigned hace 44 años, on Thu, Mar 18, 1982