4820-00-191-6881 ( P20-383 , C491-2 )

NSN Information
NSN FSC NIIN Item Name INC
4820-00-191-6881 4820 001916881 VALVE,SAFETY RELIEF 0548
NSN Features
MRC Parameter Characteristics
CQGM MAXIMUM OPERATING PRESSURE 60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
AQLR VALVE OPERATION METHOD AUTOMATIC
MATT MATERIAL ALUMINUM ALLOY 2024 OVERALL
CSDC OPENING PRESSURE SETTING 50.0 POUNDS PER SQUARE INCH
AWLS CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
ADSY VALVE DISCHARGE FLOW RATE 200.0 CUBIC FEET PER MINUTE
THSD THREAD SERIES DESIGNATOR UN 1ST END
AAJD THREAD CLASS 3A 1ST END
CBBL FEATURES PROVIDED VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
CQCY ADJUSTABLE PRESSURE RANGE +47.0/+53.0 POUNDS PER SQUARE INCH
ADQU FLOW CONTROL DEVICE DISK
SFTT SURFACE TREATMENT ANODIZE
MEDA MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
AAJF THREAD DIRECTION RIGHT-HAND 1ST END
STYL STYLE DESIGNATOR ERR-090
CQJX NOMINAL THREAD SIZE 1.312 INCHES 1ST END
CWFD NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.000 INCHES 1ST END
CMLP THREAD QUANTITY PER INCH 12 1ST END
AHNC CONNECTION STYLE ERR-090 ERR-100
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
AEHZ MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6,ALLOY2024 FED SPEC ALL MATERIAL RESPONSES OVERALL
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
P20-383 91816 A 2 3 5 SE
C491-2 81755 A 2 7 1 SE
Manufacturers
Part SKU Cage Manufacturer Type Status
P20-383 91816 CIRCOR AEROSPACE INC. F A
C491-2 81755 LOCKHEED MARTIN CORPORATION A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
A X A 12/17/1 N 8481400000 0548
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DF N SF9SX-N F
DS N I
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
A A N X
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
DF SMS J 1 EA 0 U SF9SX-N F
DS SMS J 1 EA 0 U D
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 576 Z 9 A B Z PRESSURE REG/RED/RELIEF VALVES NOI