| COUNTERBORE DIAMETER | 0.375 INCHES MINIMUM FIRST END |
| NUT COUNTERBORE DEPTH | 0.060 INCHES MINIMUM FIRST END |
| NUT LENGTH | 0.829 INCHES MAXIMUM |
| NUT HEIGHT | 0.340 INCHES MAXIMUM |
| NUT STYLE | PLATE (FLOATING) |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5688 ASSN STD 1ST MATERIAL RESPONSE OR AMS5866 ASSN STD 1ST MATERIAL RESPONSE OR ARMCO 18-2MN ASSN STD 2ND MATERIAL RESPONSE CLIP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| MATERIAL | IRON ALLOY 660 BASE |
| MATERIAL | IRON ALLOY 660 NUT |
| MATERIAL | STEEL COMP 302 CLIP |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING, PLATE |
| PLATE WIDTH | 0.560 INCHES MAXIMUM |
| PLATE THICKNESS | 0.035 INCHES NOMINAL |
| SPECIAL FEATURES | EPOXY PRIMER PER MIL-P-85582 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNJF |