| LENGTH TO SHOULDER | 0.668 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 1.875 INCHES |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.500 INCHES |
| NUT HEIGHT | 1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM |
| NUT STYLE | TUBE COUPLING |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SLEEVE COUPLING, FLARELESS |
| SEAT ANGLE | 45.00 DEGREES NOMINAL |
| SMALLEST INSIDE DIAMETER | 1.580 INCHES MINIMUM AND 1.585 INCHES MAXIMUM |
| SPECIAL FEATURES | CORROSION RESISTANT STEEL (15-5) WITH CADMIUM PLATING |
| SPECIFICATION/STANDARD DATA | 81343 - AS21921 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 2.250 INCHES NOMINAL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES | UNJ |