| DISTANCE ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| OVERALL LENGTH | 1.945 INCHES NOMINAL |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.3125 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.3125 INCHES STUD THREAD |
| NUT END SHANK LENGTH | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| SPECIAL FEATURES | CHAMFER STUD END 0.010 IN. TO 0.020 IN |
| STUD END SHANK DIAMETER | 0.252 INCHES MINIMUM AND 0.257 INCHES MAXIMUM |
| STUD END SHANK LENGTH | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2403 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.577 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 0.648 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD PITCH DIAMETERS | +0.3023 TO 0.3095 INCHES NUT THREAD |
| THREAD PITCH DIAMETERS | +0.3023 TO 0.3095 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |