NSN

National Stock Number:

4820-00-073-2255 4820000732255

TXT

Description:

Safety Relief Valve

INC

Item Name Code:

05488

MRC:

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD

Thread Class:

3a 1st end

MRC:

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AAJF

Thread Direction:

Right-hand 1st end

MRC:

The part that controls the flow through the item.ADQU

Flow Control Device:

Poppet

MRC:

Indicates the type of housing on the item that accommodates the stem packing or spring.ADSR

Bonnet Type:

Inside spring

MRC:

The means by which the bonnet is attached to the item.ADST

Bonnet Attachment Method:

Integral

MRC:

The means of closing the item when inlet pressure decreases.ADSU

Disk Loading Method:

Spring

MRC:

The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ

Maximum Operating Temp:

400.0 degrees fahrenheit single response

MRC:

The minimum temperature at which the item is designed to operate.AEQJ

Minimum Operating Temp:

-65.0 degrees fahrenheit

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC

Connection Style:

G46b plain (pipe) 1st end

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC

Connection Style:

Plain (pipe) 1st end

MRC:

The means used to control the operation of the valve.AQLR

Valve Operation Method:

Automatic

MRC:

Indicates the type of connection/s/.AWLS

Connection Type:

Threaded external tube 1st end

MRC:

The minimum to maximum pressures at which the item may be set to open.CQCY

Adjustable Pressure Range:

+10.0/+30.0 pounds per square inch

MRC:

The maximum pressure at which the item is rated for operation.CQGM

Maximum Operating Pressure:

200.0 pounds per square inch single response

MRC:

A designation that is used for the purpose of general identification of the thread.CQJX

Thread Size:

0.437 inches 1st end

MRC:

The predetermined pressure at which the item is calibrated to open.CSDC

Opening Pressure Setting:

20.0 pounds per square inch

MRC:

The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.CWFD

Outside Diameter Tube Accommodated:

0.250 inches 1st end

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Steel comp 303 body

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Steel comp 303 flow control device and rubber silicone class q flow control device

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Steel comp 303 seat

MRC:

The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL

Material Specification:

Fedstd66, aisi303/sae30303 federal standard single material response seat

MRC:

The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL

Material Specification:

Fedstd66, aisi303/sae30303 federal standard 1st material response flow control device and ams3304 assn standard 2nd material response flow control device

MRC:

The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL

Material Specification:

Fedstd66, aisi303/sae30303 federal standard single material response body

MRC: