| DISTANCE FROM SHOULDER PORTION TO NUT END | 0.687 INCHES NOMINAL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | RING, LOCK KEYED |
| OVERALL LENGTH | 1.089 INCHES MINIMUM AND 1.109 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4130 |
| NOMINAL THREAD SIZE | 0.190 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| SHOULDER DIAMETER | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| STYLE DESIGNATOR | LOCKED IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY1 CL3 FED SPEC 1ST TREATMENT RESPONSE AND AMS2400 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD LENGTH | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.275 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |