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		                        | National Stock Number:
 4820-12-341-2076
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 123412076
 
 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:
 
 | 1-1853581.2(8) POS 8 | D0798 | BOLL & KIRCH FILTERBAU GMBH |  | 4-16713 | D0798 | BOLL & KIRCH FILTERBAU GMBH |  | 5031082 | 0SE35 | BOLL FILTER CORPORATION |  | 5031082 | 3EXK7 | BOLL FILTER CORPORATION |  | 5031082 | D0798 | BOLL & KIRCH FILTERBAU GMBH | 
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 Techincal Specification:
 
 | BODY INSIDE DIAMETER | 130,0 MILLIMETERS NOMINAL |  | BODY OUTSIDE DIAMETER | 158,9 MILLIMETERS NOMINAL |  | FLANGE DIAMETER | 190,0 MILLIMETERS NOMINAL |  | MATERIAL | IRON CAST BODY |  | SEAL ACCOMMODATION TYPE | RECESSED |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 30,0 NOMINAL |  | STYLE DESIGNATOR | PLAIN FLANGED |  | TAPER MAJOR DIAMETER | 154,0 MILLIMETERS NOMINAL |  | TAPER MINOR DIAMETER | 140,7 MILLIMETERS NOMINAL | 
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