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9957D41M Safety Relief Valve

4820-01-255-8899

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Official Item Classification

Nombre
Safety Relief Valve
Número de Parte
9957D41M
(NSN) Número de stock nacional
4820-01-255-8899
(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
05/30/1987 (hace 39 años)

socket with brazing ring 2nd end connection style, 2.000 inches 2nd end nominal pipe size accommodated, propulsion systems end item identification, 4 1st end bolt hole quantity, disk flow control device

Specs & Compatibility

Tamaño nominal de la tubería acomodada

2.000 inches 2nd end

Dispositivo de control de flujo

disk

Cantidad de orificios para pernos

4 1st end

Identificación del artículo final

propulsion systems

Estilo de conexión

socket with brazing ring 2nd end

Método de operación de la válvula

automatic

Forma de brida

round with holes 1st end

Tipo de conexión

flange 1st end

Tipo de conexión

unthreaded internal pipe 2nd end

Rango de presión ajustable

+20.0 to 24.0 pounds per square inch

Diámetro exterior nominal

6.000 inches 1st end

Espesor nominal

0.500 inches 1st end

Diámetro nominal del orificio del perno

0.750 inches 1st end

Diámetro nominal del círculo de pernos

4.750 inches 1st end

Diseño de cara de brida

plain 1st end

Material

copper alloy body

Material

steel comp 316 stem

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
9957 Safety Relief Valve
9957D41M Safety Relief Valve

Preguntas frecuentes

What is the FSCG of the NSN 4820-01-255-8899?
The FSCG of the NSN 4820-01-255-8899 is 4820
Does the NSN 4820-01-255-8899 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-255-8899 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 4820-01-255-8899 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-255-8899 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 4820-01-255-8899 was assigned to the Federal Catalog?
It was assigned hace 39 años, on Sat, May 30, 1987