| NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | 80205 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| WASHER OUTSIDE DIAMETER | 0.532 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.312 INCHES MAXIMUM |
| NUT STYLE | DOUBLE HEXAGON |
| WASHER THICKNESS | 0.035 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.418 INCHES NOMINAL |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 24 |
| HARDNESS RATING | 45.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| MATERIAL | STEEL COMP 601 OVERALL OR STEEL COMP H11 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1804 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | B12F NON-CIRCULAR |
| A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member. |
