Aerospace series - Pipe coupling 37?, spherical, in heat resisting steel - Straight nipples, welded end - Inch series
STANDARD published on 1.11.2015
Designation standards: STN EN 4552
Classification mark: 313680
Catalog number: 121752
Publication date standards: 1.11.2015
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN