| FASTENER LENGTH | 12.810 INCHES NOMINAL |
| HEAD DIAMETER | 1.750 INCHES NOMINAL |
| HEAD HEIGHT | 0.350 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | SLOT |
| PROPRIETARY CHARACTERISTICS | MRCS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 631 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| POINT LENGTH | 1.000 INCHES NOMINAL |
| POINT STYLE | DOG |
| POINT DIAMETER | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 1.250 INCHES |
| SPECIAL FEATURES | WITH UNTHREADED PORTION BETWEEN THREADS AND POINT,0.998 IN. MIN,0.999 IN MAX DIA,1.188 IN. LONG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2C |
| THREAD DIRECTION | LEFT-HAND |
| THREAD LENGTH | 5.377 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 5 |
| THREAD SERIES DESIGNATOR | ACME |