| BODY INSIDE DIAMETER | 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| FLANGE DIAMETER | 1.795 INCHES MINIMUM AND 1.805 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM,USN ALLOY S30300,COND A ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL | STEEL COMP 303 SEAT |
| NOMINAL THREAD SIZE | 1.500 INCHES SINGLE THREADED PORTION |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| SEAL ACCOMMODATION TYPE | GROOVED |
| SEAT ANGLE IN DEG | 44.000 MINIMUM AND 44.500 MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SPECIAL FEATURES | INTERNAL SOCKET 0.750 INCH HEXAGON FOR USE WITH INSERTED DRIVER |
| STYLE DESIGNATOR | THREADED FLANGED |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| THREAD LENGTH | 1.066 INCHES NOMINAL SINGLE THREADED PORTION |
| THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION |
| UNDER FLANGE HEIGHT | 0.066 INCHES NOMINAL |