| THREAD LENGTH | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM NUT THREAD |
| 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 |
| DISTANCE ACROSS FLATS | 0.554 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S154 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| NUT END SHANK LENGTH | 0.250 INCHES NOMINAL |
| OVERALL LENGTH | 4.480 INCHES MINIMUM AND 4.520 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| SPECIAL FEATURES | SHANK DIA 0.375 IN MAX |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF STAN 03-19 NATIONAL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CADMIUM AND CHROMATE |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |