| CONCENTRIC HOLE DEPTH | 0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.410 INCHES MINIMUM AND 0.430 INCHES MAXIMUM |
| FASTENER LENGTH | 1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SHOULDER DIAMETER | 0.591 INCHES MINIMUM AND 0.592 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.190 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |