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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
26512 NORTHROP GRUMMAN SYSTEMS CORPORATION

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
AAJD THREAD CLASS 3A ALL ENDS
AAJD THREAD CLASS 3A ALL ENDS
THSD THREAD SERIES DESIGNATOR UNF ALL ENDS
MATT MATERIAL STEEL CORROSION RESISTING STEM
CBBL FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
AQLR VALVE OPERATION METHOD AUTOMATIC
ADSY VALVE DISCHARGE FLOW RATE 3.5 GALLONS PER MINUTE
AWLS CONNECTION TYPE THREADED INTERNAL BOSS ALL ENDS
CQGM MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CWFD NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES ALL ENDS
CQJX NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
CSDC OPENING PRESSURE SETTING 2800.0 POUNDS PER SQUARE INCH
STYL STYLE DESIGNATOR ERR-090
AAJF THREAD DIRECTION RIGHT-HAND ALL ENDS
MEDA MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON SINGLE RESPONSE
ADQU FLOW CONTROL DEVICE POPPET
ADSU DISK LOADING METHOD SPRING
CQRB SEAT ANGLE 37.0 DEGREES ALL ENDS
MATT MATERIAL ALUMINUM ALLOY SEAT
AHNC CONNECTION STYLE ERR-090 ERR-100
CMLP THREAD QUANTITY PER INCH 18 ALL ENDS
MATT MATERIAL ALUMINUM ALLOY BODY

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