| BEARING SURFACE TYPE | CHAMFEREDCHAMFERED |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERTPREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.073 INCHES0.073 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 1 SPECIFICATION SHEET |
| NUT HEIGHT | 0.133 INCHES MINIMUM AND 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM0.153 INCHES MAXIMUM |
| NUT STYLE | HEXAGONHEXAGON |
| NUT LENGTH | 0.268 INCHES NOMINAL0.268 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING, HEXAGON, NON-METALLIC LOCKING FEATURE, 250 DEG F, UNC/UNF-2BNUT, SELF-LOCKING, HEXAGON, NON-METALLIC LOCKING FEATURE, 250 DEG F, UNC/UNF-2B |
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM0.251 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 81349-MIL-DTL-45913/1B GOVERNMENT SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TYPE II, FE/ZN 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2B2B |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD QUANTITY PER INCH | 6464 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |