4820-01-283-3919 GUIDE,VALVE STEM Index 4730-01-283-3921 RESTRICTOR,FLUID FLOW

National Stock Number:
4730-01-283-3920

Federal Supply Class:
4730

National Item Identification Number:
012833920

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:
4M30776301THE BOEING COMPANY
4M307-3-2659570TRICO MANUFACTURING INC.
4M307-3-2676301THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.406 INCHES NOMINAL
OVERALL DIAMETER1.484 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11, COND 6 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYRESTRICTOR, COOLING AIR
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM


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