NUT,SELF-LOCKING,HE,
| NAVAL SEA SYSTEMS COMMAND | 53711 |
| NAVAL SEA SYSTEMS COMMAND | 53711 |
| FLANGE DIAMETER | 3.557 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 3.307 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 2.380 INCHES NOMINAL |
| END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN (688) |
| FLANGE SEAT TO DISK END HEIGHT | 0.155 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.285 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 35.000 MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| STYLE DESIGNATOR | PLAIN FLANGED |
| 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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