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		                        | National Stock Number:
 4820-00-914-0260
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 009140260
 
 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:
 
 | 0X153952-1 | 99657 | MAROTTA CONTROLS INC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 0.060 INCHES MINIMUM AND |  |  | 0.064 INCHES MAXIMUM |  | BODY OUTSIDE DIAMETER | 0.906 INCHES MINIMUM AND |  |  | 0.907 INCHES MAXIMUM |  | BODY INSIDE DIAMETER | 0.645 INCHES MINIMUM AND |  |  | 0.646 INCHES MAXIMUM |  | MATERIAL | PLASTIC POLYAMIDE OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 45.700 MINIMUM AND |  |  | 46.100 MAXIMUM |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING AND MARKING IAW MIL-STD-1330D |  | CRITICALITY CODE JUSTIFICATION | ZZZY |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 99657 |  | DESIGN CONTROL REFERENCE | 0X153952-1 | 
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