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:
8 all ends
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:
Vertical
MRC:
Designates the size of the valve.CCFG
Valve Size:
4.000 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:
9.000 inches all ends
MRC:
A nominal measurement of the smallest dimension of an item,in distinction from length or width.CWCK
Thickness:
0.688 inches all ends
First Connection Face To Centerline Distance:
5.500 inches
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:
0.750 inches all ends
Second Connection Face To Centerline Distance:
5.500 inches
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:
7.500 inches all ends
MRC:
The design of the flange face.CWDF
Flange Face Design:
Plain all ends
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper alloy body
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Nickel alloy seat
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Nickel alloy stem
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Nickel alloy 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:
Astm b61 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 b61 assn standard single 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:
Qq-n-281 cl a federal specification 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:
Qq-n-281 cl a federal specification single material response stem
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Angle 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 source, 30263, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984
