3020-01-217-1181 SPROCKET WHEEL Index 4820-01-217-1183 DISK,VALVE

National Stock Number:
4730-01-217-1182

Federal Supply Class:
4730

National Item Identification Number:
012171182

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.


Manufacturer Information:
526-516359182126MARE ISLAND NAVAL SHIPYARD


Techincal Specification:
DESIGN TYPETUBULAR, HEX SHAPE
LENGTH4.055 INCHES NOMINAL
ORIFICE DIAMETER0.156 INCHES MINIMUM AND 0.162 INCHES MAXIMUM
OUTSIDE DIAMETER2.000 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESOUTSIDE DIA GIVEN IS 2 IN. HEX STOCK ACROSS FLATS
THREAD CLASS3A 1ST PROVISION
THREAD CLASS3B 2ND PROVISION
THREAD DIRECTIONRIGHT-HAND 1ST PROVISION
THREAD DIRECTIONRIGHT-HAND 2ND PROVISION
THREAD LENGTH0.750 INCHES NOMINAL 1ST PROVISION
THREAD LENGTH0.784 INCHES NOMINAL 2ND PROVISION
THREAD PROVISIONTHREADED 1ST PROVISION
THREAD PROVISIONTHREADED 2ND PROVISION
THREAD SERIESUNF 1ST PROVISION
THREAD SERIESUNF 2ND PROVISION
THREAD SIZE DESIGNATOR0.375-24 2ND PROVISION
THREAD SIZE DESIGNATOR1.750-12 1ST PROVISION


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