| FASTENER LENGTH | 0.375 INCHES NOMINAL |
| HEAD HEIGHT | 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
| HEAD STYLE | OVAL/TRUSS |
| HEAD MAJOR DIAMETER | 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM |
| HEAT TREATMENT | O-ANNEALED, RECRYSTALLIZED OVERALL |
| HOLE DEPTH | 0.046 INCHES NOMINAL |
| HOLE DIAMETER | 0.039 INCHES MINIMUM AND 0.044 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 400 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 12 TYPE AND 3 CLASS AND D GRADE |
| SHANK DIAMETER | 0.058 INCHES MINIMUM AND 0.061 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| SHEAR STRENGTH | 49000 DOUBLE POUNDS PER SQUARE INCH |