| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| HARDNESS RATING | 60.0 ROCKWELL B MAXIMUM OVERALL |
| HEAD HEIGHT | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| HEAD STYLE | FLAT/TINNER'S |
| HEAD MAJOR DIAMETER | 0.369 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| HOLE DIAMETER | 0.134 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| HOLE DEPTH | 0.151 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OR AMS 7225 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 43000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.188 INCHES NOMINAL |
| SHANK STYLE | TUBULAR |
| SPECIFICATION/STANDARD DATA | 96906-MS51942 GOVERNMENT STANDARD |