| HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 9.500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1018 OR STEEL COMP 1030 |
| NOMINAL THREAD SIZE | 0.500 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.500 INCHES NUT THREAD A |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 FN 5.3.2.3 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE ZINC OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A NUT THREAD A |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD A |
| THREAD LENGTH | 0.740 INCHES NOMINAL NUT THREAD A |
| THREAD LENGTH | 1.430 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 13 NUT THREAD |
| THREAD QUANTITY PER INCH | 13 NUT THREAD A |
| THREAD SERIES DESIGNATOR | UNC NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC NUT THREAD A |