| DRILLED HOLE DIAMETER | 0.042 INCHES MINIMUM |
| HOLE TYPE AND QUANTITY | 3 DRILLED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CONNECTOR,MOUNTING TO CONNECTORS,MOUNTING NUTS,PLAIN HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT HEIGHT | 0.108 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.670 INCHES MINIMUM AND 0.704 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 81349-MS3186S GOVERNMENT SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE-AMS-QQ-N-290 NATIONAL SPEC 1ST TREATMENT RESPONSE AND ASTM-B545 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL AND TIN OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNEF |
| THREAD QUANTITY PER INCH | 28 |