| THREAD SERIES DESIGNATOR | UNS |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.266 INCHES MINIMUM AND |
| 1.316 INCHES MAXIMUM |
| FASTENER LENGTH | 3.026 INCHES MINIMUM AND |
| 3.056 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP E4340 OR |
| STEEL COMP 6150 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DISHED HEXAGON |
| HEAD HEIGHT | 0.500 INCHES MINIMUM AND |
| 0.515 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.427 INCHES MINIMUM AND |
| 1.440 INCHES MAXIMUM |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 1.013 INCHES MINIMUM AND |
| 1.014 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 1.740 INCHES MINIMUM AND |
| 1.760 INCHES MAXIMUM FIRST SHOULDER |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.752 INCHES MINIMUM AND |
| 2.802 INCHES MAXIMUM FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND |
| 0.151 INCHES MAXIMUM FIRST HOLE |
| SPECIFICATION/STANDARD DATA | 80205-NAS2916A PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |