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		                             National Stock Number: 4820-00-799-7064
  Federal Supply Class: 4820
  National Item Identification Number: 007997064
  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:
 | 20-09231 | 53154 | PORTLAND VALVE LLC |  | 205-09-47PC4 | 17062 | P J VALVES INC |  | 205107PC4 | 17062 | P J VALVES INC |  | 205107PC4 | 43689 | HUNTINGTON INGALLS INC |  | 255669 ITEM 3 | 43689 | HUNTINGTON INGALLS INC |  | 2050947PIECE4 | 96169 | ELECTRIC BOAT CORPORATION |  | 255669 PIECE 3 | 43689 | HUNTINGTON INGALLS INC |  | 255702PC7 | 43689 | HUNTINGTON INGALLS INC |  | 259089 ITEM 14 | 43689 | HUNTINGTON INGALLS INC |  | 845-2050947 PIE | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 845-2050947PC4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 2640-801X2PC3 | 96169 | ELECTRIC BOAT CORPORATION |  | 2641-809 411M2 | 96169 | ELECTRIC BOAT CORPORATION |  | 2641-809-41-ITEM2 | 96169 | ELECTRIC BOAT CORPORATION |  | 9800-322X1PC79 | 96169 | ELECTRIC BOAT CORPORATION |   
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  Techincal Specification:
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 0.250 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 1.032 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 0.562 INCHES NOMINAL |  | MATERIAL | PLASTIC POLYAMIDE OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |   
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