DIN EN 4833 : 2018 Title: Aerospace series - Pipe coupling 24° Cone up to 35 000 kPa (5 080 psi) Ring-locked fitting - Flareless End - Inch Series - Extra Fine Thread Pitch; German and English version EN 4833:2018 Year: 2018 Publisher: DIN Media GmbH Availability: Within 1-2 working days