| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| SHANK STYLE | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 45.0 ROCKWELL C MAXIMUM BOLT |
| 30.0 ROCKWELL C MINIMUM AND |
| 45.0 ROCKWELL C MAXIMUM NUT |
| HEAT TREATMENT | SOLUTION HEAT TREATED BOLT |
| SOLUTION HEAT TREATED NUT |
| HEAD MAJOR DIAMETER | 0.296 INCHES MINIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| SHANK DIAMETER | 0.2105 INCHES NOMINAL |
| GRIP LENGTH | 0.439 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNS |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 40 |
| THREAD DIRECTION | LEFT-HAND |
| EXPANSION DEVICE | THREADED STEM |
| SPECIAL FEATURES | 2B-THREAD CLASS FOR NUT |