| THREAD QUANTITY PER INCH | 18 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 18 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNF RIGHT INTERNAL |
| DIAMETER | 1.000 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE | ROUND |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 400 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.625 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.625 INCHES RIGHT INTERNAL |
| SPECIAL FEATURES | TECH DATANOT AUTHORIZED FOR RELEASE OUTSIDE OF U.S.;USED ON MISSILE TUBE MUZZLE HATCH LOCK OF VERTICAL LAUNCH SYSTEM |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD CLASS | 2B RIGHT INTERNAL |
| THREAD DIRECTION | LEFT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 1.630 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 1.630 INCHES NOMINAL RIGHT INTERNAL |