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		                        | National Stock Number:
 4820-01-244-8436
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012448436
 
 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.
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 Manufacturer Information:
 
 | 102-0046-3C | 53154 | PORTLAND VALVE LLC |  | 102-0046-4C | 53154 | PORTLAND VALVE LLC |  | D4711 | 53154 | PORTLAND VALVE LLC |  | D4711 PC 5 3.5IN | 53154 | PORTLAND VALVE LLC |  | D9255 ITEM 5 | 53154 | PORTLAND VALVE LLC | 
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 Techincal Specification:
 
 | MATERIAL | NICKEL ALLOY OVERALL |  | SPECIAL FEATURES | ITEM INCLUDES POLYTETRAFLUOROETHYLENE MATERIAL | 
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