| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.060 INCHES NOMINAL |
| FASTENER LENGTH | 2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.200 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.437 INCHES |
| RIB LENGTH | 0.380 INCHES NOMINAL |
| RIB MAJOR DIAMETER | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| RIB MINOR DIAMETER | 0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| RIB QUANTITY | 35 |
| SHOULDER DIAMETER | 0.520 INCHES MINIMUM AND 5.525 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.780 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.080 INCHES MINIMUM AND 1.110 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 20 |