| DISTANCE FROM END OF STUD END THREADS TO NUT END | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | RING, LOCK KEYED |
| OVERALL LENGTH | 1.705 INCHES MINIMUM AND 1.795 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE AND MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 302 AND STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.500 INCHES STUD THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| SPECIAL FEATURES | 160000 PSI MIN. TENSILE STRENGTH |
| STYLE DESIGNATOR | LOCKED IN |
| SURFACE FINISH | 63.0 MICROINCHES NUT THD |
| SURFACE FINISH | 63.0 MICROINCHES SHANK |
| SURFACE FINISH | 32.0 MICROINCHES STUD THD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE 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 | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.610 INCHES MINIMUM AND 0.670 INCHES MAXIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 13 STUD THREAD |
| THREAD QUANTITY PER INCH | 16 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| THREAD SERIES DESIGNATOR | UNJC NUT THREAD |