| FASTENER LENGTH | 1.245 INCHES MINIMUM AND 1.265 INCHES MAXIMUM |
| GRIP LENGTH | 0.875 INCHES MAXIMUM |
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP H11 OVERALL |
| MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 156000 SINGLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TY 2,CL 2 MIL SPEC 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE OR AMS 2416 ASSN STD 3RD TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR NICKEL AND CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |