| OVERALL LENGTH | 15.438 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1117 OR STEEL COMP 1118 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD A |
| SPECIAL FEATURES | THREADED END 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 DIRECTION | RIGHT-HAND NUT THREAD A |
| THREAD CLASS | 2A NUT THREAD A |
| THREAD LENGTH | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM NUT THREAD A |
| THREAD SERIES DESIGNATOR | UNC NUT THREAD A |
| THREAD QUANTITY PER INCH | 18 NUT THREAD A |