| NOMINAL THREAD SIZE | 1.125 INCHES EXTERNAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT INTERNAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 15-5PH OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FIN F-15.02 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THREAD CLASS | 3A EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND EXTERNAL |
| THREAD QUANTITY PER INCH | 16 EXTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) EXTERNAL |