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		                        | National Stock Number:
 4820-01-184-6567
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 011846567
 
 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:
 
 | AA-784 PIECE 14 | 42280 | GARDNER DENVER NASH LLC |  | UD 4046 VB | 42280 | GARDNER DENVER NASH LLC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | THREADED FLANGED |  | BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL |  | MATERIAL | COPPER ALLOY OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 44.917 MINIMUM AND |  |  | 45.083 MAXIMUM |  | TAPER MINOR DIAMETER | 0.500 INCHES NOMINAL |  | TAPER MAJOR DIAMETER | 0.531 INCHES NOMINAL |  | TAPER LENGTH | 0.031 INCHES NOMINAL |  | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |  | NOMINAL THREAD SIZE | 1.000 INCHES SINGLE THREADED PORTION |  | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION |  | THREAD CLASS | 2A SINGLE THREADED PORTION |  | SPECIAL FEATURES | HEX FLANGE |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |  | CRITICALITY CODE JUSTIFICATION | ZZZY |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 42280 |  | DESIGN CONTROL REFERENCE | UD 4046 VB | 
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