| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, FLG., HEX, 0.38-16 G8 DA |
| III SUPPLEMENTARY FEATURES | FINISH: TWO COATS DACROMET7 320 TWO COATS PLUS7 BLACK SEALER OR EQUIVALENT; STANDARD: ANSI/ASME B18.2.1;SPIRALOCK THREAD |
| PROPRIETARY CHARACTERISTICS | NPAC |
| NOMINAL THREAD SIZE | 0.370 INCHES |
| NUT STYLE | FLAT |
| OVERALL HEIGHT | 0.330 INCHES MINIMUM AND 0.347 INCHES MAXIMUM |
| SPECIAL TEST FEATURES | 1000 HRS. MIN. TIME TO RED RUST |
| WASHER OUTSIDE DIAMETER | 0.728 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| TEST DATA DOCUMENT | 1Y2S6-ASTM B117 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES | UNC |