| FASTENER LENGTH | 2.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 STYLE AND C GRADE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.375 INCHES |
| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 316 OVERALL |
| SHOULDER DIAMETER | 0.360 INCHES MINIMUM FIRST SHOULDER AND 0.388 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.125 INCHES MINIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.544 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE OVERALL |