| DISTANCE FROM SHOULDER PORTION TO NUT END | 1.795 INCHES MINIMUM AND 1.815 INCHES MAXIMUM |
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | KEY INSERTS |
| OVERALL LENGTH | 2.180 FEET NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5506 ASSN STD 1ST MATERIAL RESPONSE AND CAMS 5737 ASSN STD 1ST MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 420 AND IRON ALLOY 660 |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD0.312 INCHES STUD THREAD |
| SHOULDER LENGTH | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.239 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| STYLE DESIGNATOR | LOCKED IN |
| SURFACE FINISH | 32.0 MICROINCHES OVERALL32.0 MICROINCHES BALL END |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND NUT THREADRIGHT-HAND STUD THREAD |
| THREAD LENGTH | 1.779 INCHES NOMINAL NUT THREAD0.292 INCHES NOMINAL STUD THREAD |
| THREAD SERIES DESIGNATOR | UNJF NUT THREADUNJF STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD24 STUD THREAD |