| CONCENTRIC HOLE DEPTH | 2.500 INCHES NOMINAL |
| CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| FIRST LOCKING GROOVE WIDTH | 0.152 INCHES MINIMUM AND 0.154 INCHES MAXIMUM |
| FIRST LOCKING GROOVE DEPTH | 0.090 INCHES MINIMUM AND 0.092 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE,1138 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL HARDNESS RATING | 12.7 ROCKWELL C MINIMUM AND 32.1 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL OVERALL |
| PIN DIAMETER | 0.996 INCHES MINIMUM AND 0.998 INCHES MAXIMUM |
| PIN OVERALL LENGTH | 4.280 INCHES NOMINAL |
| SPECIAL FEATURES | THREAD SERIES DESIGNATOR NPT |