Description
- 10 Pack of Dräger / Draeger 4057742 (0.859X1.137X0.134) O-Rings
- Same size, material, durometer, and tolerance/manufacturing spec as OEM o-rings.
- Commonly used on 7/8″ collar for SCBA 30, 45, and 60 minute cylinders. Rated for pressure up to 5000psi.
- Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!

![DRAGER/DRAEGER 4057742 ORing (O-Ring .859X1.137 X.134 SPPT) [10 Pack]](https://www.industrialgearsupply.com/wp-content/uploads/2026/09/Drager4057742-10pk.jpg)







