| OVERALL LENGTH | 1.795 INCHES MINIMUM AND 1.815 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL CORROSION RESISTING |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.550 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| SPECIAL FEATURES | SOCKET DRIVE ON NUT END |
| STUD END SHANK DIAMETER | 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| STUD END SHANK LENGTH | 0.170 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.525 INCHES NOMINAL NUT THREAD |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNJF STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD QUANTITY PER INCH | 28 STUD THREAD |