Part Number 1-1256-1-14IPT

Restrictor Check Valve

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
1-1256-1-14ipt
Demil:
No
Shelf Life:
UOM:
NIIN:
010139721

Part Information
Ported brass ball in secondary ofifice

NSN
National Stock Number:
4820-01-013-9721 4820010139721
TXT
Description:
Restrictor Check Valve
INC
INC
Item Name Code:
20520
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 all ends
MRC:
The part that controls the flow through the item.ADQU
Flow Control Device:
Disk
MRC:
The means of closing the item when inlet pressure decreases.ADSU
Disk Loading Method:
Spring
MRC:
Indicates the type of renewable seating ring in the item.ADZH
Renewable Seat Ring Type:
Pressed-in
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC
Connection Style:
Plain, optional end (pipe) all ends
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 internal pipe all ends
MRC:
The installed position for which the item is designed.BBJX
Mounting Position:
Horizontal
MRC:
The maximum pressure at which the item is rated for operation.CQGM
Maximum Operating Pressure:
1000.0 pounds per square inch single response
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.250 inches all ends
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper alloy 360 body
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Rubber butadiene-acrylonitrile class nbr packing
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Stainless steel 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:
Mil-g-1149, type 2, class 5 military specification single material response packing
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-b-626, alloy 360 federal specification single material response body
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Air 1st response
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Butane 2nd response
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Fuel/oil, hydrocarbon 3rd response
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Helium 4th 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:
Additional flow control device: stem
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Npt all ends
MRC:
The name and number of those parts furnished with the item of supply that have not been specified elsewhere.TMQY
Furnished Items And Quantity:
1 nut

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