| MATERIAL | IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5734 ASSN STD SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | LOCKED IN |
| DISTANCE FROM SERRATED PORTION TO NUT END | 0.797 INCHES MINIMUM AND |
| 0.827 INCHES MAXIMUM |
| DISTANCE FROM SERRATED PORTION TO STUD END | 0.873 INCHES MINIMUM AND |
| 0.913 INCHES MAXIMUM |
| DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD | 0.185 INCHES MINIMUM AND |
| 0.215 INCHES MAXIMUM |
| OVERALL LENGTH | 1.670 INCHES MINIMUM AND |
| 1.740 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| UNS STUD THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| 0.500 INCHES STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| 20 STUD THREAD |
| THREAD PITCH DIAMETERS | 0.4694 TO 0.4711 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.735 INCHES MINIMUM AND |
| 0.765 INCHES MAXIMUM NUT THREAD |
| 0.658 INCHES MINIMUM AND |
| 0.728 INCHES MAXIMUM STUD THREAD |
| LOCKING FEATURE | RING, LOCK SERRATED |
| SURFACE FINISH | 32.0 MICROINCHES NUT THD |
| 63.0 MICROINCHES STUD THD |
| SERRATION QUANTITY | 24 |
| SERRATION INCLUDED ANGLE | 101.0 DEGREES MINIMUM AND |
| 104.0 DEGREES MAXIMUM |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51992C645-13 |