| FASTENER LENGTH | 1.565 INCHES MINIMUM AND 1.685 INCHES MAXIMUM |
| HEAD DIAMETER | 1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM |
| HEAD HEIGHT | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L OVERALL |
| NECK LENGTH | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| NECK WIDTH | 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.039 INCHES MINIMUM AND 1.372 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 11 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |