Dimensions & part numbers — 21MP clamp x male npt adapter
| Size | A | 304 SS | 316L SS |
|---|---|---|---|
| Part number | Part number | ||
| 1/2 x 1/8″ | 2.000 | — | — |
| 1/2 x 1/4″ | 2.000 | — | — |
| 1/2 x 3/8″ | 2.000 | — | — |
| 1/2 x 1/2″ | 2.000 | — | — |
| 1/2 x 3/4″ | 2.000 | — | — |
| 1/2 x 1″ | 2.250 | — | — |
| 3/4 x 1/8″ | 2.000 | — | — |
| 3/4 x 1/4″ | 2.000 | — | — |
| 3/4 x 3/8″ | 2.000 | — | — |
| 3/4 x 1/2″ | 2.000 | — | — |
| 3/4 x 3/4″ | 2.000 | — | — |
| 3/4 x 1″ | 2.250 | — | — |
| 1 x 1/2″ | 2.187 | — | — |
| 1 x 3/4″ | 2.187 | — | — |
| 1 x 1″ | 2.250 | RT21MP104SA | — |
| 1-1/2 x 1/2″ | 2.187 | — | — |
| 1-1/2 x 3/4″ | 2.187 | — | RT21MP15756SA |
| 1-1/2 x 1″ | 2.313 | — | RT21MP15106SA |
| 1-1/2 x 1-1/4″ | 2.438 | — | — |
| 1-1/2 x 1-1/2″ | 2.438 | RT21MP154SA | — |
| 2 x 1″ | 2.469 | — | — |
| 2 x 1-1/4″ | 2.469 | — | — |
| 2 x 1-1/2″ | 2.469 | — | — |
| 2 x 2″ | 2.656 | — | RT21MP206SA |
| 2-1/2 x 1″ | 2.781 | — | — |
| 2-1/2 x 1-1/2″ | 2.781 | — | — |
| 2-1/2 x 2″ | 2.781 | — | — |
| 2-1/2 x 2-1/2″ | 3.281 | RT21MP254SA | — |
| 3 x 1″ | 2.875 | — | — |
| 3 x 1-1/2″ | 3.000 | — | — |
| 3 x 2″ | 3.000 | — | — |
| 3 x 2-1/2″ | 3.500 | — | — |
| 3 x 3″ | 3.500 | RT21MP304SA | — |
| 4 x 1-1/2″ | 3.813 | — | — |
| 4 x 2″ | 3.813 | — | — |
| 4 x 2-1/2″ | 3.813 | — | — |
| 4 x 3″ | 3.813 | — | — |
| 4 x 4″ | 3.813 | — | — |
| 6 x 6″ | 4.500 | — | — |
— — Not stocked online, contact us
All dimensions in inches. Contact us for sizes and materials not listed online.
Features:
- Tri-clamp face on one end
- Male NPT thread on the other
- Sizes from 1″ through 3″ plus reduced-size options
- Meets sanitary industry standards for food, beverage, dairy, pharmaceutical, and industrial process applications
Sold individually. Clamp and gasket sold separately.
Not sure what size you need? Visit our Tri-Clamp Information Guide for a complete sizing reference, gasket selection guide, and pressure ratings.




