| OVERALL LENGTH | 15.891 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1117 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD A |
| SPECIAL FEATURES | W/CONE POINT 89 TO 91 DEGREES 0.125 IN. LG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OR NICKEL OVERALL |
| THREAD CLASS | 2A NUT THREAD A |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD A |
| THREAD LENGTH | 0.625 INCHES MINIMUM NUT THREAD A |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD A |
| THREAD QUANTITY PER INCH | 18 NUT THREAD A |