| CROSS-SECTIONAL SHAPE | ROUND |
| DIAMETER | 0.562 INCHES NOMINAL |
| FLANGE THICKNESS | 0.187 INCHES NOMINAL |
| FLANGE WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |
| GROOVE DIAMETER | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| GROOVE RADIUS | 0.032 INCHES NOMINAL |
| LENGTH | 0.438 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B16/B16M-2000 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| NOMINAL THREAD SIZE | 0.438 INCHES RIGHT EXTERNAL |
| NOMINAL THREAD SIZE | 0.375 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT PROJECTION DIAMETER | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| RIGHT PROJECTION LENGTH | 0.625 INCHES NOMINAL |
| SPECIAL FEATURES | CONTROLLING AGENCY ITEM NAME IS ADAPTER-LIGHTNING ARRESTOR |
| STYLE DESIGNATOR | PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| THREAD CLASS | 2A RIGHT EXTERNAL |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| THREAD LENGTH | 0.357 INCHES NOMINAL RIGHT EXTERNAL |
| THREAD LENGTH | 0.450 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNF RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 20 RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 24 LEFT INTERNAL (INCLUDES THRU THREAD) |