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National Stock Number: 4730-01-504-1960
Federal Supply Class: 4730
National Item Identification Number: 015041960
Description: RESTRICTOR,FLUID FLOW
Detail: AN ITEM OF SOLID ONE-PIECE CONSTRUCTION, DESIGNED TO RESTRICT THE FLOW OF A FLUID THROUGH IT. IT HAS AN ORIFICE OF A SMALLER SIZE THAN THE DIAMETER OF FLOW INTO IT. EXCLUDES ITEMS SUCH AS VALVE (1), (AS MODIFIED); AND OTHERS WITH AN ADJUSTABLE ORIFICE. EXCLUDES PIPE, TUBE, OR HOSE FITTINGS WITH RESTRICTED PASSAGES AND ITEMS DESIGNED TO TEST FLUID FLOW. FOR ITEMS CONTAINING SCREENS OR FILTERS, SEE RESTRICTOR UNIT, FLUID FLOW.
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Manufacturer Information:
6392757 FIND 26 | 31442 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 6392757 FIND 26 | 53711 | NAVAL SEA SYSTEMS COMMAND | VXCA2502140D | 92555 | THE LEE CO |
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Techincal Specification:
DESIGN TYPE | TUBULAR | LENGTH | 1.500 INCHES NOMINAL | MATERIAL | STEEL CORROSION RESISTING | III PART NAME ASSIGNED BY CONTROLLING AGENCY | RESTRICTOR, FLUID FLOW | PROPRIETARY CHARACTERISTICS | PACS | ORIFICE DIAMETER | 0.050 INCHES MINIMUM | OUTSIDE DIAMETER | 0.2492 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM | SPECIAL FEATURES | MAXIMUM WORKING PRESSURE DIFFERENTIAL: 3000 PSI; SCREEN HOLE SIZE: .031 IN. DIAMETER; LOHM RATE: 1400/5%; MATERIALS; BODY, PIN, FILTERS, SPACERS, SHIM ARE 303 CRES/QQ-S-763C; SPINNER DISCS, 17-7PH CRES/AMS5528; METERING DISCS, 17-7PH CRES/AMS5529; FINISH: PASSIVATE/MIL-S-5002; PIN COATING: WAX | SURFACE TREATMENT | PASSIVATE | THREAD PROVISION | UNTHREADED |
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