| HEAD DIAMETER | 0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HEAD LENGTH | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| LOCKING FEATURE | SELF-CLINCHING HEAD |
| OVERALL LENGTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES |
| MATERIAL | STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 |
| NOMINAL THREAD SIZE | 0.112 INCHES NUT THREAD |
| STYLE DESIGNATOR | SELF-LOCKING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD LENGTH | 0.525 INCHES MINIMUM AND 0.565 INCHES MAXIMUM NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD QUANTITY PER INCH | 40 NUT THREAD |