| LENGTH TO SHOULDER | 0.284 INCHES MINIMUM AND 0.304 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL |
| NOMINAL THREAD SIZE | 0.875 INCHES |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.625 INCHES |
| NUT STYLE | TUBE COUPLING |
| NUT HEIGHT | 0.959 INCHES MINIMUM AND 0.979 INCHES MAXIMUM |
| PRECIOUS MATERIAL AND LOCATION | SURFACE SILVER |
| SMALLEST INSIDE DIAMETER | 0.804 INCHES MINIMUM AND 0.810 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.990 INCHES MINIMUM AND 1.002 INCHES MAXIMUM |
| SURFACE TREATMENT | SILVER OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 14 |