| MATERIAL | PLASTIC |
| MATERIAL DOCUMENT AND CLASSIFICATION | -MIL-M-14 MIL SPEC ALL MATERIAL RESPONSES |
| STYLE DESIGNATOR | CIRCULAR EXTERNAL THREAD |
| OVERALL HEIGHT | 1.375 INCHES NOMINAL |
| OVERALL DIAMETER | 4.750 INCHES NOMINAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED BASE SINGLE MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UN SINGLE MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 4.125 INCHES SINGLE MOUNTING FACILITY |
| THREAD CLASS | 2B SINGLE MOUNTING FACILITY |
| THREAD QUANTITY PER INCH | 8 SINGLE MOUNTING FACILITY |
| SPECIAL FEATURES | MOLDED PLASTIC GDI-30 OR GPI-100 (BLACK); SECURING RING PART FOR NAVIGATION LIGHT ASSEMBLY |
| SPECIFICATION/STANDARD DATA | 81348-MIL-L-24560/2B/CANCELLED GOVERNMENT SPECIFICATION |