NSN

National Stock Number:

4820-00-827-7493 4820008277493

TXT

Description:

Check Valve

INC

Item Name Code:

05487

MRC:

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

Thread Class:

3a 1st end

MRC:

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

Thread Class:

3b 2nd 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 2nd 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:

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:

180.0 degrees fahrenheit single response

MRC:

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

Connection Style:

Flared (tube) 1st end

MRC:

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

Connection Style:

Gasket seal (boss) 2nd 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:

Indicates the type of connection/s/.AWLS

Connection Type:

Threaded internal boss 2nd end

MRC:

The installed position for which the item is designed.BBJX

Mounting Position:

Horizontal or vertical

MRC:

The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP

Thready Qty Per Inch (tpi):

20 1st end

MRC:

The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP

Thready Qty Per Inch (tpi):

20 2nd end

MRC:

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

Maximum Operating Pressure:

600.0 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:

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

Thread Size:

0.438 inches 2nd end

MRC:

The angle of the end surface upon which the mated surface seats.CQRB

Seat Angle:

37.0 degrees 1st end

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 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 2nd end

MRC:

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

Material:

Aluminum alloy 2024 flow control device

MRC:

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

Material:

Aluminum alloy 2024 seat

MRC:

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

Material:

Aluminum alloy 2024 body

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:

Qq-a-200/3 federal specification single material response

MRC: