| DISTANCE ACROSS FLATS | 0.438 INCHES NOMINAL |
| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 9.620 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 630 |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| SHOULDER LENGTH | 5.060 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SPECIAL FEATURES | THREAD RELEIVED ON EACH END 0.188 IN. LG |
| STYLE DESIGNATOR | SHOULDERED |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.812 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 3.372 INCHES NOMINAL NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| THREAD QUANTITY PER INCH | 16 NUT THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |