Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
1/2 in. Relief valve type 2571-t
NSN
National Stock Number:
TXT
Description:
Safety Relief Valve
MRC:
A measurement of the pipe size the item will accommodate.AAAR
Pipe Size Accommodated:
0.500 inches all ends
MRC:
The part that controls the flow through the item.ADQU
Flow Control Device:
Disk
MRC:
Indicates the type of housing on the item that accommodates the stem packing or spring.ADSR
Bonnet Type:
Inside spring
MRC:
The means by which the bonnet is attached to the item.ADST
Bonnet Attachment Method:
Bolted
MRC:
The means of closing the item when inlet pressure decreases.ADSU
Disk Loading Method:
Spring
MRC:
The rated valve discharge capacity per unit of time.ADSY
Valve Discharge Flow Rate:
16.0 cubic feet per minute
MRC:
Indicates the type of renewable seating ring in the item.ADZH
Renewable Seat Ring Type:
Threaded
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
125.0 degrees fahrenheit 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:
Virginia class sub
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC
Connection Style:
Socket err-100
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:
Unthreaded internal pipe all ends
MRC:
The minimum to maximum pressures at which the item may be set to open.CQCY
Adjustable Pressure Range:
+60.0/+73.0 pounds per square inch
MRC:
The maximum pressure at which the item is rated for operation.CQGM
Maximum Operating Pressure:
400.0 pounds per square inch single response
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Zzzy
MRC:
The predetermined pressure at which the item is calibrated to open.CSDC
Opening Pressure Setting:
60.0 pounds per square inch
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Nickel alloy flow control device
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel body
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel seat
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel 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:
Astm a351 gr. Cf8m assn standard single material response 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:
Astm a582 ty. 303 assn standard single material response 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:
Astm a582 ty. 303 assn standard 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-n-281 federal specification single material response flow control device
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Nitrogen, liquid single response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Err-090
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:
2 nut and 2 tailpiece
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
81349-mil-v-22549 (1), dtd 13 apr 77, modified government specification
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Oxygen cleaning required iaw mil-std-1330
