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A20675 Safety Relief Valve

4820-00-287-4049

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Official Item Classification

Nombre
Safety Relief Valve
Número de Parte
A20675
(NSN) Número de stock nacional
4820-00-287-4049
(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
01/01/1963 (hace 63 años)

8 1st end bolt hole quantity, spring disk loading method, 9 2nd end bolt hole quantity, round with holes 1st end flange shape, 40500.0 pounds per hour valve discharge flow rate

Specs & Compatibility

Método de carga de disco

spring

Caudal de descarga de la válvula

40500.0 pounds per hour

Cantidad de orificios para pernos

9 2nd end

Cantidad de orificios para pernos

8 1st end

Forma de brida

round with holes 1st end

Forma de brida

round with holes 2nd end

Tipo de conexión

flange 1st end

Tipo de conexión

flange 2nd end

Características proporcionadas

valve stem lock shield

Ajuste de la presión de apertura

639.0 pounds per square inch

Diámetro exterior nominal

7.500 inches 1st end

Diámetro exterior nominal

8.688 inches 2nd end

Diámetro nominal del orificio del perno

0.812 inches 1st end

Diámetro nominal del orificio del perno

0.812 inches 2nd end

Diámetro nominal del círculo de pernos

5.875 inches 1st end

Diámetro nominal del círculo de pernos

7.125 inches 2nd end

Diseño de cara de brida

plain 2nd end

Diseño de cara de brida

raised straight 1st end

Características especiales

w/lifting lever

Designador de estilo

angle

Replacement For

Número de Parte Descripción
4820-00-202-8389 No Name Available 08/18/1969

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.

Source of Supply Code

SMS

Pseudo Item Name Code

0005488

Related Hardware Products

Número de Parte Descripción
A20675 Safety Relief Valve
DD445S5103-118 Safety Relief Valve

Preguntas frecuentes

What is the FSCG of the NSN 4820-00-287-4049?
The FSCG of the NSN 4820-00-287-4049 is 4820
Does the NSN 4820-00-287-4049 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-287-4049 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 4820-00-287-4049 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-287-4049 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 4820-00-287-4049 was assigned to the Federal Catalog?
It was assigned hace 63 años, on Tue, Jan 1, 1963