4820-01-503-2497 ( 21270 , 21270-001 )

NSN Information
NSN FSC NIIN Item Name INC
4820-01-503-2497 4820 015032497 VALVE ASSEMBLY,MANIFOLD 4620
NSN Features
MRC Parameter Characteristics
CXCY PART NAME ASSIGNED BY CONTROLLING AGENCY RESTRICTOR VALVE ASSY
AQLR VALVE OPERATION METHOD HYDRAULIC AND MANUAL
ABHP OVERALL LENGTH 8.870 INCHES MAXIMUM
ATQR VALVE QUANTITY 2
AGAV END ITEM IDENTIFICATION SEAWOLF CLASS SSN
ABMK OVERALL WIDTH 5.000 INCHES NOMINAL
CQRG BODY MATERIAL ALUMINUM ALLOY 6061
FEAT SPECIAL FEATURES THIS QUIET VARIABLE RESTRICTOR VALVE ASSEMBLY HAS 2 VALVES: A RESTRICTOR VALVE AND A CHECK VALVE;OPERATING PRESSURE IS 3000 PSIG; FLOW IS 0.1 TO 5 GPM AT 75 PSID MIN AND 3300 PSID MAX WITH FLUID VISCOSITY AT ATMOSPHERIC PRESSURE BETWEEN 73 AND 77 CENTISTOKES; MANUALLY CLOSE ASSEMBLY BY TURNING ADJUST SCREW COUNTERCLOCKWISE; HAS 4 HELICAL COIL INSERTS IN BODY IAW MS124699 (.4375-20UNF-3B) AND 2 HELICAL COIL INSERTS IN END CAP IAW MS124696 (.250-28UNF-3B); ASSEMBLY MAY BE MOUNTED IN ANY POSITION W/O ADVERSELY AFFECTING OPERATION; MEDIA IS HYDRAULIC FLUID; KEY COMPONENT OF THIS VALVE ASSEMBLY IS P/N 21270-801-1 QUIET ELEMENT WHICH PROVIDES FOR EXTREMELY QUIET OPERATION
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
21270 78062 A 9 D C ZZ
21270-001 78062 A 2 3 C ZZ
Manufacturers
Part SKU Cage Manufacturer Type Status
21270 78062 DOVER ENGINEERED SYSTEMS, INC. A A
21270-001 78062 DOVER ENGINEERED SYSTEMS, INC. A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
A 0 X D 1 12/10/2 N 8481909090 4620
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DN D 3B----- N
DS F I
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
D A N 0 X
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
DS SMS Z 1 EA 0 7 D
DN SMS Z 1 EA 0 7 3B----- 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