| DISTANCE FROM END OF STUD END THREADS TO NUT END | 0.658 INCHES MINIMUM AND 0.718 INCHES MAXIMUM |
| LOCKING FEATURE | KEY INSERTS |
| OVERALL LENGTH | 1.018 INCHES MINIMUM AND 1.108 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | IRON ALLOY 660 |
| NOMINAL THREAD SIZE | 0.438 INCHES STUD THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| STYLE DESIGNATOR | LOCKED IN |
| SURFACE FINISH | 32.0 MICROINCHES NUT THD |
| SURFACE FINISH | 63.0 MICROINCHES SHANK |
| SURFACE FINISH | 63.0 MICROINCHES STUD THD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 14 STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD |