4730-01-187-4419 RESTRICTOR,FLUID FLOW Index 4920-01-187-4421 STAND,MAINTENANCE,AIRCRAFT ENGIN

National Stock Number:
4730-01-187-4420

Federal Supply Class:
4730

National Item Identification Number:
011874420

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:
L5840193-03743999THE BOEING COMPANY


Techincal Specification:
DESIGN TYPECONCAVE DISK
LENGTH0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
MATERIALSTEEL COMP 440C
ORIFICE DIAMETER0.032 INCHES MINIMUM AND 0.037 INCHES MAXIMUM
OUTSIDE DIAMETER0.455 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD PROVISIONUNTHREADED


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