| DISTANCE FROM END OF STUD END THREADS TO NUT END | 0.782 INCHES MINIMUM AND 0.842 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | RING, LOCK KEYED |
| OVERALL LENGTH | 1.204 INCHES MINIMUM AND 1.294 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.438 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| SPECIAL FEATURES | 160,000 PSI MIN TS |
| STYLE DESIGNATOR | LOCKED IN |
| SURFACE FINISH | 32.0 MICROINCHES STUD THD |
| SURFACE FINISH | 63.0 MICROINCHES NUT THD |
| SURFACE FINISH | 63.0 MICROINCHES SHANK |
| 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 NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.560 INCHES MAXIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 14 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC NUT THREAD |
| THREAD SERIES DESIGNATOR | UNJF STUD THREAD |