Part Number
DEMIL
Shelf Life
UOM
NIIN
NSN
National Stock Number:
TXT
Description:
Stop-check Valve
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 number of bolt holes provided on the item.AECS
Bolt Hole Quantity:
4 all ends
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
567.0 degrees fahrenheit single response
MRC:
The means used to control the operation of the valve.AQLR
Valve Operation Method:
Manual
MRC:
The physical configuration of the flange.ARKN
Flange Shape:
Round with holes all ends
MRC:
Indicates the type of connection/s/.AWLS
Connection Type:
Flange all ends
MRC:
The installed position for which the item is designed.BBJX
Mounting Position:
Horizontal
MRC:
Designates the size of the valve.CCFG
Valve Size:
1.500 inches
MRC:
The maximum pressure at which the item is rated for operation.CQGM
Maximum Operating Pressure:
150.0 pounds per square inch single response
MRC:
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.CWCD
Outside Diameter:
5.000 inches all ends
MRC:
The face to face distance.CWCF
Face To Face Distance:
6.500 inches
MRC:
A nominal measurement of the smallest dimension of an item,in distinction from length or width.CWCK
Thickness:
0.562 inches all ends
MRC:
The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.CWCQ
Bolt Hole Diameter:
0.625 inches all ends
MRC:
The nominal length of a straight line which passes through the center of the bolt circle,and terminates at the circumference.CWCT
Bolt Circle Diameter:
3.875 inches all ends
MRC:
The design of the flange face.CWDF
Flange Face Design:
Raised straight all ends
MRC:
A nominal measurement from the bottom to the top surface of a raised face,in distinction from depth.CWDH
Raised Face Height:
0.062 inches all ends
MRC:
The nominal length of a straight line which passes through the center of a raised face,and terminates at the circumference.CWDL
Raised Face Diameter:
2.875 inches all ends
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 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 420 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 through flanged ends
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 sources 86520 has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984
