| MATERIAL | STEEL COMP 4140H |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| OVERALL LENGTH | 2.560 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| UNS STUD THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| 0.312 INCHES STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| 18 STUD THREAD |
| THREAD PITCH DIAMETERS | 0.2849 TO 0.2869 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.690 INCHES MINIMUM AND |
| 0.810 INCHES MAXIMUM NUT THREAD |
| 0.500 INCHES MINIMUM AND |
| 0.620 INCHES MAXIMUM STUD THREAD |
| SPECIAL FEATURES | COLOR BLUE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.110 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.065 INCHES MINIMUM AND |
| 0.072 INCHES MAXIMUM FIRST HOLE |