| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 2.547 INCHES NOMINAL |
| MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP 8630 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 4037 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 4130 OVERALL |
| THREAD LENGTH | 0.735 INCHES MINIMUM |
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR |
| AMS 6300 ASSN STD 4TH MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC 5TH MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC 6TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.313 INCHES MINIMUM AND |
| 0.344 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND |
| 0.627 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | ROUND |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 6 |
| HOLE DIAMETER | 0.070 INCHES NOMINAL |
| GRIP LENGTH | 1.812 INCHES NOMINAL |
| FEATURES PROVIDED | FINISHED HEAD |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 88044 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN77-24 |