PART,
| NAVAL SHIP SYSTEMS COMMAND | 80064 |
| HUNTINGTON INGALLS INCORPORATED | 43689 |
| NAVAL SHIP SYSTEMS COMMAND | 80064 |
| NAVAL SHIP SYSTEMS COMMAND | 80064 |
| FLANGE DIAMETER | 16.968 INCHES MINIMUM AND 16.984 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 14.468 INCHES MINIMUM AND 14.484 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 1.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 12.500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| BODY STEPPED INSIDE DIAMETER | 12.562 INCHES NOMINAL SECOND STEP |
| BODY STEPPED INSIDE DIAMETER | 13.562 INCHES NOMINAL FIRST STEP |
| SPECIAL FEATURES | STEM GUIDE CENTERED IN SEAT CENTER,OD 4.250 IN.,ID 2.250 IN.,LENGTH 4.375 IN. |
| MATERIAL | NICKEL COPPER ALLOY,MIL-C-20159,TYPE 1 OVERALL |
| STYLE DESIGNATOR | PLAIN FLANGED |
| THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |
| 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. |
