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		                        | National Stock Number:
 4820-00-623-9078
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 006239078
 
 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:
 
 | 01534-03 | 44674 | THE OILGEAR COMPANY |  | 01534-03 | 55107 | OLMSTED PRODUCTS COMPANY LLC |  | 1534-2 | 24785 | VICKERS INC |  | 1534-2 | 44674 | THE OILGEAR COMPANY |  | 1534-2 | 55107 | OLMSTED PRODUCTS COMPANY LLC |  | LL1307 | 55107 | OLMSTED PRODUCTS COMPANY LLC |  | LL701PC3 | 24785 | VICKERS INC |  | LL1307 ITEM 3 | 55107 | OLMSTED PRODUCTS COMPANY LLC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 3.365 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 3.250 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 2.625 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.282 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 1.083 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |  | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |  | CRITICALITY CODE JUSTIFICATION | FEAT | 
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