| HOLE CONFIGURATION STYLE | CONFIGURATION B |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995 GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT HEIGHT | 0.117 INCHES MINIMUM AND 0.191 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING, HEXAGON ALL-METAL LOCKING FEATURE, 250 DEGREE F, UNC-3B |
| SPECIFICATION/STANDARD DATA | -45913/4 GOVERNMENT STANDARD |
| WIDTH ACROSS FLATS | 0.332 INCHES MINIMUM AND 0.345 INCHES MAXIMUM |
| SUPPLEMENTARY FEATURES | NHA-135296; WEIGHT 0.1 LB; WIDTH ACROSS CORNERS IS 0.378 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE-AMS-QQ-P-416 TYPE II, CLASS 2 OR 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNC |