| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.060 INCHES NOMINAL |
| FASTENER LENGTH | 1.530 INCHES MINIMUM AND 1.570 INCHES MAXIMUM |
| HEAD HEIGHT | 0.120 INCHES MINIMUM |
| HEAD DIAMETER | 0.600 INCHES NOMINAL |
| HEAD STYLE | FILLISTER |
| MATERIAL DOCUMENT AND CLASSIFICATION | G-6109-M FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| RIB QUANTITY | 28 |
| RIB LENGTH | 0.120 INCHES NOMINAL |
| RIB MAJOR DIAMETER | 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM |
| RIB MINOR DIAMETER | 0.440 INCHES MINIMUM AND 0.445 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.430 INCHES MINIMUM THIRD SHOULDER AND 0.439 INCHES MAXIMUM THIRD SHOULDER |
| SHOULDER DIAMETER | 0.453 INCHES MINIMUM SECOND SHOULDER AND 0.457 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER DIAMETER | 0.463 INCHES MINIMUM FIRST SHOULDER AND 0.473 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.090 INCHES MINIMUM THIRD SHOULDER |
| SHOULDER LENGTH | 0.120 INCHES MINIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.175 INCHES MINIMUM SECOND SHOULDER |
| SPECIAL FEATURES | THREAD 7/16-20 SPECIAL 60 DEGREE FORM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.160 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |