| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 4130 OR STEEL COMP 8735 |
| SPECIAL FEATURES | ONE HOLE 0.076 IN. DIAMETER LOCATED ON WRENCHING AREA PERPENDICULAR TO AXIAL CENTERLINE |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |
| SPECIFICATION/STANDARD DATA | 80205-NAS27 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1 CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD LENGTH | 1.250 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 1.250 INCHES MAXIMUM STUD THREAD |