Part Number 646B-3-38-2

Safety Relief Valve

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
646b-3-38-2
Demil:
No
Shelf Life:
UOM:
NIIN:
015163833

Part Information
Differential area relief valve

NSN
National Stock Number:
4820-01-516-3833 4820015163833
TXT
Description:
Safety Relief Valve
INC
INC
Item Name Code:
05488
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 2nd end
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 1st end
MRC:
The means of closing the item when inlet pressure decreases.ADSU
Disk Loading Method:
Spring
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
250.0 degrees fahrenheit single response
MRC:
The minimum temperature at which the item is designed to operate.AEQJ
Minimum Operating Temp:
-40.0 degrees fahrenheit
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC
Connection Style:
G46b plain (pipe) 1st end
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC
Connection Style:
G9 plain, optional en (pipe) 2nd end
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 external pipe 1st end
MRC:
Indicates the type of connection/s/.AWLS
Connection Type:
Threaded internal pipe 2nd end
MRC:
The minimum to maximum pressures at which the item may be set to open.CQCY
Adjustable Pressure Range:
+40.0/+125.0 pounds per square inch
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.3750 inches 1st end
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.3750 inches 2nd end
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 303 body
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Err-090
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 2nd end
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 1st end

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