| DISTANCE ACROSS FLATS | 0.500 INCHES NOMINAL |
| OVERALL LENGTH | 4.350 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 303 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| SHOULDER LENGTH | 2.400 INCHES MINIMUM AND 2.480 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 1.410 INCHES MINIMUM AND 1.530 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 1.823 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 18 NUT THREAD |
| THREAD QUANTITY PER INCH | 18 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |