Hollow Hex Plug (Male SAE / MS Straight Thread)
| Male SAE / MSThread Size | Dimensions in mm | F-Hex(Inch) | Uniform ‘O’ Ring Size | Dawsons-TechPart No. | ||
| P | B | C | L | |||
| 7/16 - 20 | 9.1 | 14.2 | 11.4 | 3/16 | -904 | HHPST-7SAE |
| 9/16 - 18 | 9.9 | 17.5 | 12.2 | 1/4 | -906 | HHPST-9SAE |
| 3/4 - 16 | 11.2 | 22.4 | 14.2 | 5/16 | -908 | HHPST-12SAE |
| 1-1/16 - 12 | 15.0 | 31.8 | 19.1 | 9/16 | -912 | HHPST-17SAE |
| 1-5/16 - 12 | 15.0 | 38.1 | 19.1 | 5/8 | -916 | HHPST-21SAE |