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National Stock Number (NSN) Output Data

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.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
D559B-2M-8 91816 A 3 2 A ZZ

CAGE Information

Code Company
91816 CIRCOR AEROSPACE INC. DBA CIRCLE SEA

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
ADZH RENEWABLE SEAT RING TYPE PRESSED-IN
CSDC OPENING PRESSURE SETTING 8.0 POUNDS PER SQUARE INCH
CQJX NOMINAL THREAD SIZE 0.250 INCHES 1ST END
AQLR VALVE OPERATION METHOD AUTOMATIC
TMQY FURNISHED ITEMS AND QUANTITY 1 DEFLECTOR CAP
THSD THREAD SERIES DESIGNATOR NPT 1ST END
AEHZ MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
FEAT SPECIAL FEATURES ADJUSTABLE POPPET VALVE, ZERO LEAKAGE, OUT TO ATMOSHERE; TEMPERATURE RANGE DETERMINED MY SEAL MATERIAL
MEDA MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
MATT MATERIAL COPPER ALLOY BODY
AAJF THREAD DIRECTION RIGHT-HAND 1ST END
STYL STYLE DESIGNATOR ERR-090
CQCY ADJUSTABLE PRESSURE RANGE +0.5/+150.0 POUNDS PER SQUARE INCH
AWLS CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
ADQU FLOW CONTROL DEVICE POPPET
ADSU DISK LOADING METHOD SPRING
AEQJ MINIMUM OPERATING TEMP -40.0 DEG FAHRENHEIT
CXCY PART NAME ASSIGNED BY CONTROLLING AGENCY ADJUSTABLE POPOFF RELIEF VALVE
AHNC CONNECTION STYLE ERR-090 ERR-100
CQGM MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATT MATERIAL STEEL CORROSION RESISTING FLOW CONTROL DEVICE

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D559B-2M-8 , D559B2M8 , 4820-01-530-3343 , 4820015303343 , 015303343 , D559B-2M-8 ,