| CROSS-SECTIONAL SHAPE | HEXAGON |
| CROSS-SECTIONAL LENGTH | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.190 INCHES RIGHT INTERNAL |
| SPECIAL FEATURES | MATERIAL: COPPER ALLOY OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ--B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL;SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL;SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| THREAD CLASS | 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 32 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |