| BEARING SURFACE TYPE | FLAT |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-D4066 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A29,ASTM A510 OR ASTM A853 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A29,ASTM A510 OR ASTM A853 ASSN STD 2ND MATERIAL RESPONSE OR SAE J118 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR AMS 5040,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 4TH MATERIAL RESPONSE OR AMS 5069,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 5TH MATERIAL RESPONSE OR AMS 5080,ASTM A29,ASTM A510 OR ASTM A853 NATIONAL STD/SPEC 6TH MATERIAL RESPONSE OR AMS 5024 OR ASTM A29 NATIONAL STD/SPEC 7TH MATERIAL RESPONSE OR AMS 5020 OR AST NATIONAL STD/SPEC 8TH MATERIAL RESPONSE NUT |
| MATERIAL | PLASTIC NYLON LOCKING INSERT |
| MATERIAL | STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1018 OR STEEL COMP 1035 OR STEEL COMP 11L37 OR STEEL COMP 1213 OR STEEL COMP 12L14 OR STEEL COMP 1215 NUT |
| NOMINAL THREAD SIZE | 0.50 INCHES |
| NUT HEIGHT | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| SPECIFICATION/STANDARD DATA | 80205-NAS-21083 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |