4820-01-557-0178 PARTS KIT,VALVE Index 4820-01-556-5069 COVER PLATE,VALVE

National Stock Number:
4820-01-555-6729

Federal Supply Class:
4820

National Item Identification Number:
015556729

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:
803-4384536-71AX-8580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALNICKEL ALLOY SEAT
SPECIAL FEATURESASTM B164, ASTM A494 OR QQ-N-281 MATERIAL; 2.0625-18UNS-3A; METALLIC DISC SEATING SURFACE
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT RING (STOP AND STOP CHECK)


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