4720-01-387-6685 TUBING,NONMETALLIC Index 5330-01-387-6687 PACKING,PREFORMED

National Stock Number:
4820-01-387-6686

Federal Supply Class:
4820

National Item Identification Number:
013876686

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.


Manufacturer Information:
1136E67FN890099NORTHROP GRUMMAN SYSTEMS CORPORATION
3D71719-00190099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONAGAV


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