4720-01-174-4019 HOSE,AIR DUCT Index 1680-01-174-4020 FILTER,AIRCRAFT INSTRUMENTS

National Stock Number:
5998-01-174-4020

Federal Supply Class:
5998

National Item Identification Number:
011744020

Description:
FILTER,AIRCRAFT INSTRUMENTS


Manufacturer Information:
458-54700-50282918THE BOEING COMPANY


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONFEAT
PART NAME ASSIGNED BY CONTROLLING AGENCYFILTER BOX ASSY-ENGINE INSTRUMENTSURVIVABILITY
SPECIAL FEATURESNUCLEAR HARDENED ITEM;ADD PART NUMBER AND SERIAL NUMBER WITH TYPEWRITER OR STEEL STAMP;DO NOT MARK IDENTIFICATION PLATE WHILE ATTACHED TO EQUIP


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