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Part Number

Part Number:
NSN:
NIIN:
Item Name:
VALVE , SAFETY RELIEF

Definition:

A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

CAGE Information

Code Company
79500 WESTINGHOUSE ELECTRIC CORP

Federal Supply Class

Title

VALVES, NONPOWERED

Inclusions:

INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.

Exclusions:

EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AWLS CONNECTION TYPE UNTHREADED EXTERNAL PIPE 2ND END
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 2ND END
CSDC OPENING PRESSURE SETTING 15.0 POUNDS PER SQUARE INCH
MATT MATERIAL COPPER ALLOY SEAT
CBBL FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
AQLR VALVE OPERATION METHOD AUTOMATIC
CQJX NOMINAL THREAD SIZE 0.500 INCHES 1ST END
THSD THREAD SERIES DESIGNATOR NPT 1ST END
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL STEEL FLOW CONTROL DEVICE
MATT MATERIAL COPPER ALLOY BODY
AAJF THREAD DIRECTION RIGHT-HAND 1ST END
STYL STYLE DESIGNATOR ERR-090
ADSU DISK LOADING METHOD SPRING
ADST BONNET ATTACHMENT METHOD THREADED
MATT MATERIAL STEEL STEM
AWLS CONNECTION TYPE THREADED INTERNAL PIPE 1ST END
AHNC CONNECTION STYLE ERR-090 ERR-100
ADSR BONNET TYPE EXPOSED SPRING

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