4820-00-220-1850 ( R6181AZ , R6181AZ , CL55S51-98 )

NSN Information
NSN FSC NIIN Item Name INC
4820-00-220-1850 4820 002201850 VALVE,SAFETY RELIEF 0548
NSN Features
MRC Parameter Characteristics
AECS BOLT HOLE QUANTITY 7 2ND END
CWDL RAISED FACE NOMINAL DIAMETER 3.625 INCHES 1ST END
ARKN FLANGE SHAPE ROUND WITH HOLES 2ND END
CWCT BOLT CIRCLE NOMINAL DIAMETER 5.188 INCHES 2ND END
CWDF FLANGE FACE DESIGN PLAIN 2ND END
CBBL FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
ADST BONNET ATTACHMENT METHOD BOLTED
CSDC OPENING PRESSURE SETTING 624.0 POUNDS PER SQUARE INCH
AECS BOLT HOLE QUANTITY 8 1ST END
ADZH RENEWABLE SEAT RING TYPE THREADED
CQCY ADJUSTABLE PRESSURE RANGE +580.0/+630.0 POUNDS PER SQUARE INCH
CWCK NOMINAL THICKNESS 1.000 INCHES 1ST END
ADQU FLOW CONTROL DEVICE DISK
ADSY VALVE DISCHARGE FLOW RATE 13000.0 POUNDS PER HOUR
AWLS CONNECTION TYPE FLANGE 1ST END
STYL STYLE DESIGNATOR ERR-090
ZZZY REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT
ADSU DISK LOADING METHOD SPRING
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
CWCD NOMINAL OUTSIDE DIAMETER 6.500 INCHES 2ND END
CWCK NOMINAL THICKNESS 0.750 INCHES 2ND END
CWDF FLANGE FACE DESIGN RAISED STRAIGHT 1ST END
CWCQ BOLT HOLE NOMINAL DIAMETER 0.688 INCHES 1ST END
ADSR BONNET TYPE EXPOSED SPRING
CWCQ BOLT HOLE NOMINAL DIAMETER 0.688 INCHES 2ND END
ARKN FLANGE SHAPE ROUND WITH HOLES 1ST END
AWLS CONNECTION TYPE FLANGE 2ND END
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
R6181AZ 16497 A 2 5 1 HD
R6181AZ 38056 A 1 3 1 HD
CL55S51-98 80064 A 1 5 1 HD
Manufacturers
Part SKU Cage Manufacturer Type Status
R6181AZ 16497 DRESSER INC. A A
R6181AZ 38056 ASHCROFT INC. A A
CL55S51-98 80064 NAVAL SHIP SYSTEMS COMMAND A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
U X A 12/22/1 N 8481400000 0548
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DN 9C----- N V DISCONTINUED W/O REPLACEMENT
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
A U N X
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
DN S9C Y 0 EA 0 U 9C----- N
Management Control Army
MATCAT 1 MATCAT 2 MATCAT 3 MATCAT 4 5 ARC
Freight
NMFC NMFC SUB UFC HMC LTL LCL WCC TCC SHC ADC ACC ASH NMF DESC
127220 X 64500 P P 594 Z 9 A V Z PRESSURE REG/RED/RELIEF VALVES NOI