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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
CVB41S5103-44ALT3 80064 A 5 2 5 HD
R-6181-EL 38056 A 5 2 1 HD
R6181EL 16497 A 3 2 5 HD

CAGE Information

Code Company
16497 DRESSER INC. DBA DRESSER EQUIPMENT G
80064 NAVAL SHIP SYSTEMS COMMAND
38056 ASHCROFT INC.

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
CWCD NOMINAL OUTSIDE DIAMETER 7.562 INCHES 2ND END
CWCD NOMINAL OUTSIDE DIAMETER 7.562 INCHES 2ND END
MATT MATERIAL STEEL CORROSION RESISTING SEAT
ARKN FLANGE SHAPE ROUND WITH HOLES 2ND END
CWDL RAISED FACE NOMINAL DIAMETER 4.250 INCHES 1ST END
MATT MATERIAL STEEL CORROSION RESISTING STEM
CWDF FLANGE FACE DESIGN PLAIN 2ND END
ADST BONNET ATTACHMENT METHOD BOLTED
AQLR VALVE OPERATION METHOD AUTOMATIC
AECS BOLT HOLE QUANTITY 8 1ST END
AECS BOLT HOLE QUANTITY 8 2ND END
CWCQ BOLT HOLE NOMINAL DIAMETER 0.812 INCHES 2ND END
ADZH RENEWABLE SEAT RING TYPE THREADED
CWCT BOLT CIRCLE NOMINAL DIAMETER 6.000 INCHES 2ND END
CWCK NOMINAL THICKNESS 1.000 INCHES 1ST END
CSDC OPENING PRESSURE SETTING 635.0 POUNDS PER SQUARE INCH
ADSY VALVE DISCHARGE FLOW RATE 11420.0 POUNDS PER HOUR
AWLS CONNECTION TYPE FLANGE 1ST END
STYL STYLE DESIGNATOR ERR-090
CWCK NOMINAL THICKNESS 0.812 INCHES 2ND END
ADQU FLOW CONTROL DEVICE POPPET
CWDH RAISED FACE NOMINAL HEIGHT 0.250 INCHES 1ST END
CWCT BOLT CIRCLE NOMINAL DIAMETER 5.000 INCHES 1ST END
CWCD NOMINAL OUTSIDE DIAMETER 6.500 INCHES 1ST END
CWDF FLANGE FACE DESIGN RAISED STRAIGHT 1ST END
MATT MATERIAL STEEL UNS K12220 BODY OR STEEL UNS K13020 BODY
CWCQ BOLT HOLE NOMINAL DIAMETER 0.688 INCHES 1ST END
ADSR BONNET TYPE EXPOSED SPRING
MATT MATERIAL STEEL CORROSION RESISTING FLOW CONTROL DEVICE
ARKN FLANGE SHAPE ROUND WITH HOLES 1ST END
AWLS CONNECTION TYPE FLANGE 2ND END

Similar Parts

R6181EL , R6181EL , 4820-00-036-2081 , 4820000362081 , 000362081 , CVB41S5103-44ALT3 , R-6181-EL , R6181EL ,