Part Number
DEMIL
Shelf Life
UOM
NIIN
NSN
National Stock Number:
TXT
Description:
Stop-check Valve
MRC:
A measurement of the pipe size the item will accommodate.AAAR
Pipe Size Accommodated:
2.000 inches all ends
MRC:
The part that controls the flow through the item.ADQU
Flow Control Device:
Disk
MRC:
Indicates the type of housing on the item that accommodates the stem packing or spring.ADSR
Bonnet Type:
Outside screw-yoke
MRC:
The means by which the bonnet is attached to the item.ADST
Bonnet Attachment Method:
Bolted
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
850.0 degrees fahrenheit single response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC
Connection Style:
Socket (pipe) all ends
MRC:
The means used to control the operation of the valve.AQLR
Valve Operation Method:
Manual
MRC:
Indicates the type of connection/s/.AWLS
Connection Type:
Unthreaded internal pipe all ends
MRC:
The installed position for which the item is designed.BBJX
Mounting Position:
Horizontal
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Bonnet packing
MRC:
The maximum pressure at which the item is rated for operation.CQGM
Maximum Operating Pressure:
800.0 pounds per square inch single response
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Cobalt alloy seat
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 416 stem
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 420 flow control device
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel uns k03504 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:
Astm a105 assn standard single material response 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:
Astm a582 grade 416 (250 bhn) assn standard single material response stem
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:
Astm a582 grade 42 (500 bhn) assn standard single material response flow control device
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Steam 1st response
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Oil 2nd response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Straight thru
MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
This item has been reviewed for asbestos material. The current approved source, 86520, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984
