| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | SELF-LOCKING LOCKING FEATURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F837 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SOCKET HEAD CAP SCREW |
| MATERIAL | STEEL COMP 304 AND STEEL COMP 305 OR STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| SPECIFICATION/STANDARD DATA | 91349-MIL-DTL--1222 GOVERNMENT SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F837 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.125 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |