Part Number 640B-3-12-28

Safety Relief Valve

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
640b-3-12-28
Demil:
No
Shelf Life:
UOM:
NIIN:
014203868

Part Information
Size 12 ist end connections; buna-n o-ring; polytetrafluoroethylene seat

NSN
National Stock Number:
4820-01-420-3868 4820014203868
TXT
Description:
Safety Relief Valve
INC
INC
Item Name Code:
05488
MRC:
The part that controls the flow through the item.ADQU
Flow Control Device:
Poppet
MRC:
The means of closing the item when inlet pressure decreases.ADSU
Disk Loading Method:
Spring
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Nimitz class cvn
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) 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 tube all ends
MRC:
The minimum to maximum pressures at which the item may be set to open.CQCY
Adjustable Pressure Range:
+40.0 to 125.0 pounds per square inch
MRC:
The maximum pressure at which the item is rated for operation.CQGM
Maximum Operating Pressure:
3600.0 pounds per square inch single response
MRC:
The predetermined pressure at which the item is calibrated to open.CSDC
Opening Pressure Setting:
90.0 pounds per square inch
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Stainless steel body
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
C1 angle

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