| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.500 INCHES |
| FASTENER LENGTH | 4.500 INCHES NOMINAL |
| MATERIAL | STEEL COMP 302 OR |
| STEEL COMP 303 OR |
| STEEL COMP 304 OR |
| STEEL COMP 305 OR |
| STEEL COMP 310 OR |
| STEEL COMP 316 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.328 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| TEST DATA DOCUMENT | 81348-STDNO151 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND |
| C GRADE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-B-561D |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB561TYPEVGRADEC |