Part Number A640

Safety Relief Valve

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
a640
Demil:
No
Shelf Life:
UOM:
NIIN:
014999884

Part Information
Valve, relief, pressure

NSN
National Stock Number:
4820-01-499-9884 4820014999884
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 1st end
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
75.0 degrees celsius single response
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Band 9/10 tra - aircraft, prowler ea-6b
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 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:
The angle of the end surface upon which the mated surface seats.CQRB
Seat Angle:
37.0 degrees 1st end
MRC:
The angle of the end surface upon which the mated surface seats.CQRB
Seat Angle:
37.0 degrees all ends
MRC:
The predetermined pressure at which the item is calibrated to open.CSDC
Opening Pressure Setting:
175.0 pounds per square inch
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 316 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:
Qq-s-763 federal specification single material response body or astm-a-479 assn standard single material response body
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Passivate
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Qq-p-35, type11 federal specification single treatment response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Err-090

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