Part Number
DEMIL
Shelf Life
UOM
NIIN
NSN
National Stock Number:
TXT
Description:
Safety Relief Valve
MRC:
A measurement of the pipe size the item will accommodate.AAAR
Pipe Size Accommodated:
0.250 inches 1st 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 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:
Indicates the type of renewable seating ring in the item.ADZH
Renewable Seat Ring Type:
Retaining screw
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:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Valve stem lock shield
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
18 1st end
MRC:
The pressure required to actuate the power driven unit.CQCN
Power Drive Operating Pressure:
7.0 pounds per square inch
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.250 inches 1st end
MRC:
The predetermined pressure at which the item is calibrated to open.CSDC
Opening Pressure Setting:
7.0 pounds per square inch
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper alloy 262 body or copper alloy 331 body or copper alloy 344 body
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper alloy 262 stem or copper alloy 331 stem or copper alloy 344 stem
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Rubber synthetic seat
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, comp 11, 1/2h federal specification single material response stem
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, comp aa, 1/2h federal specification single material response body
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Err-090
MRC:
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
Test Data Document:
18876-9199041 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
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
