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:
Cone
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:
Union
MRC:
The number of bolt holes provided on the item.AECS
Bolt Hole Quantity:
4 1st end
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 1st end
MRC:
Indicates the type of connection/s/.AWLS
Connection Type:
Flange 1st end
MRC:
The installed position for which the item is designed.BBJX
Mounting Position:
Horizontal or vertical
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Bonnet packing
MRC:
Designates the size of the valve.CCFG
Valve Size:
1.250 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:
4.500 inches 1st end
MRC:
A nominal measurement of the smallest dimension of an item,in distinction from length or width.CWCK
Thickness:
0.438 inches 1st end
First Connection Face To Centerline Distance:
3.125 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:
0.562 inches 1st end
Second Connection Face To Centerline Distance:
3.125 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:
3.375 inches 1st end
MRC:
The design of the flange face.CWDF
Flange Face Design:
Raised straight 1st end
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 1st end
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:
2.500 inches 1st end
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 410 stem
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Steam single response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Angle flanged ends
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
As differentiated by reply to pac aaql, and size 1 1/4 in.
