| MATERIAL | IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | LOCKED IN |
| DISTANCE FROM SERRATED PORTION TO STUD END | 0.360% INCHES MINIMUM AND |
| 0.390 INCHES MAXIMUM |
| DISTANCE FROM END OF STUD END THREADS TO NUT END | 0.485 INCHES MINIMUM AND |
| 0.515 INCHES MAXIMUM |
| OVERALL LENGTH | 0.845 INCHES MINIMUM AND |
| 0.905 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| UNC STUD THREAD |
| NOMINAL THREAD SIZE | 0.190 INCHES NUT THREAD |
| 0.375 INCHES STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| 3A STUD THREAD |
| THREAD TOLERANCE CLASS | 3A EXTERNAL NUT THREAD |
| 3A EXTERNAL STUD THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD |
| 16 STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.485 INCHES MINIMUM AND |
| 0.515 INCHES MAXIMUM NUT THREAD |
| 0.360 INCHES MINIMUM AND |
| 0.390 INCHES MAXIMUM STUD THREAD |
| LOCKING FEATURE | KEY INSERTS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STUD, LOCKED-IN, KEY LOCKED |