| CROSS-SECTIONAL SHAPE | HEXAGON |
| CROSS-SECTIONAL LENGTH | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.086 INCHES RIGHT INTERNAL |
| SPECIAL FEATURES | MATERIAL: COPPER ALLOY OVERALL;SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL;SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT |
| SPECIFICATION/STANDARD DATA | 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.184 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| THREAD CLASS | 3B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 56 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNJC LEFT INTERNAL (INCLUDES THRU THREAD) |