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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
81316 PORTSMOUTH NAVAL SHIPYARD

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
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 2ND END
AQLR VALVE OPERATION METHOD AUTOMATIC
AWLS CONNECTION TYPE THREADED EXTERNAL PIPE 2ND END
CQJX NOMINAL THREAD SIZE 0.500 INCHES 1ST END
THSD THREAD SERIES DESIGNATOR NPT 1ST END
CSDC OPENING PRESSURE SETTING 625.0 POUNDS PER SQUARE INCH
ADQU FLOW CONTROL DEVICE DISK
CQJX NOMINAL THREAD SIZE 0.500 INCHES 2ND END
MATT MATERIAL COPPER ALLOY BODY
AAJF THREAD DIRECTION RIGHT-HAND 1ST END
STYL STYLE DESIGNATOR ERR-090
CMLP THREAD QUANTITY PER INCH 14 1ST END
MATT MATERIAL NICKEL ALLOY SEAT
THSD THREAD SERIES DESIGNATOR NPT 2ND END
CMLP THREAD QUANTITY PER INCH 14 2ND END
ADSU DISK LOADING METHOD SPRING
AWLS CONNECTION TYPE THREADED INTERNAL PIPE 1ST END
AHNC CONNECTION STYLE ERR-090 ERR-100
AAJF THREAD DIRECTION RIGHT-HAND 2ND END
ZZZY REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY PAC ADSV AND VALVE SIZE

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