| BARREL HEIGHT | 1.077 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 1.063 INCHES NOMINAL FIRST END |
| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8630 OVERALL |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| NUT COUNTERBORE DEPTH | 0.307 INCHES NOMINAL FIRST END |
| NUT DIAMETER | 1.554 INCHES MINIMUM AND 1.557 INCHES MAXIMUM |
| NUT LENGTH | 1.750 INCHES NOMINAL |
| NUT STYLE | NON-FLOATING SELF-LOCKING BARREL |
| NUT HEIGHT | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| SPECIAL FEATURES | COLOR CODE 13538,FED STD 595 |
| SPECIAL TEST FEATURES | SAFETY CRITICAL SCREW THD COMPONENT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEMP RATING | 250.0 FAHRENHEIT MAXIMUM |
| TEST DATA DOCUMENT | 96906-MIL-STD-1949 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 14 |