| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066,COMP A,TYPE 1 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 NUT |
| MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.855 INCHES MINIMUM AND 0.891 INCHES MAXIMUM |
| SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| WIDTH ACROSS FLATS | 1.052 INCHES MINIMUM AND 1.068 INCHES MAXIMUM |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 10 |
| THREAD SERIES | UNC |