| DISTANCE FROM SHOULDER PORTION TO NUT END | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | RING, LOCK KEYED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 410 |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| OVERALL LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.241 INCHES NOMINAL |
| SHOULDER LENGTH | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| STYLE DESIGNATOR | LOCKED IN |
| 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 | 0.355 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 0.562 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 18 STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |