| EXTENDED WASHER DIAMETER | 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
| FASTENER LENGTH | 1.213 INCHES MINIMUM AND 1.223 INCHES MAXIMUM |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM THREADS |
| HEAD DIAMETER | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| HEAD HEIGHT | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| POINT DIAMETER | 0.093 INCHES NOMINAL |
| POINT LENGTH | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| POINT STYLE | CHAMFER DOG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |