| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.125 INCHES NOMINAL |
| FASTENER LENGTH | 4.000 INCHES MINIMUM AND 4.031 INCHES MAXIMUM |
| HEAD DIAMETER | 0.875 INCHES NOMINAL |
| HEAD HEIGHT | 0.312 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA 108 ASSN STD ALL MATERIAL RESPONSES OR ASTMA 576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1008 OR STEEL COMP 1025 OR STEEL COMP 1116 OR STEEL COMP 1119 OR STEEL COMP 1211 OR STEEL COMP 1213 OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| RIB QUANTITY | 25 |
| RIB LENGTH | 1.000 INCHES NOMINAL |
| RIB MAJOR DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.835 INCHES MINIMUM AND 0.840 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| SHOULDER LENGTH | 1.190 INCHES NOMINAL FIRST SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC OR CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |