| COTTER PIN HOLE DIAMETER | 0.075 INCHES NOMINAL FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.104 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL COMP 8740 |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.420 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.780 INCHES MINIMUM STUD THREAD |
| THREAD PITCH DIAMETERS | +0.2883 TO 0.2909 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| THREAD QUANTITY PER INCH | 18 STUD THREAD |