| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT DIAMETER | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| NUT HEIGHT | 0.392 INCHES MINIMUM AND 0.452 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES NUT |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 NUT |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| PILOT LENGTH | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| PILOT DIAMETER | 0.446 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| SPECIAL FEATURES | OPTIONAL HEX STYLE 0.625 IN. NOM WIDTH ACROSS FLATS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 24 |