| DISTANCE ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| OVERALL LENGTH | 1.400 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL CORROSION RESISTING |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD0.250 INCHES STUD THREAD |
| SHOULDER LENGTH | 0.100 INCHES NOMINAL |
| THREAD DIRECTION | RIGHT-HAND NUT THREADRIGHT-HAND STUD THREAD |
| THREAD CLASS | 2A NUT THREAD2A STUD THREAD |
| THREAD LENGTH | 0.920 INCHES NOMINAL NUT THREAD0.380 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 48 NUT THREAD28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS NUT THREADUNF STUD THREAD |