| FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
| HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| HOLE DIAMETER | 0.047 INCHES NOMINAL |
| HOLE QUANTITY | 6 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OR ASTM A493 TYPE XM-7 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 2 MIL SPEC 1ST TREATMENT RESPONSE OR AMS 2485 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.127 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |