| DISTANCE FROM END OF STUD END THREADS TO NUT END | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| LOCKING FEATURE | RING, LOCK KEYED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | IRON ALLOY 660 |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| OVERALL LENGTH | 1.287 INCHES MINIMUM AND 1.337 INCHES MAXIMUM |
| SPECIAL FEATURES | KEYRING MATERIAL 410 CRES PER AMS 5504; ROCKWELL C 35-45; FINISH PASSIVATE PER QQ-P-35; INSERT MATERIAL REQUIRES 140000 PSI TS |
| 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 | 0.382 INCHES MINIMUM AND 0.402 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |