| FASTENER LENGTH | 1.220 INCHES NOMINAL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | TEE NO. 4 |
| HEAD INSIDE DIAMETER | 0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| HEAD LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SPECIAL FEATURES | CENTER OF HEAD DRILLED 0.057 IN. MAX DIA BY 0.090 IN. MAX DEPTH |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEE BOLT CYLINDRICAL HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 1.120 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |