![Does anybody tell me the real meaning of 2SN 2SP 4SP 4SH on hydraulic hose please! Whether the letter " N, P, H " is abbreviated for a meaningful word??? : r/Hydraulics Does anybody tell me the real meaning of 2SN 2SP 4SP 4SH on hydraulic hose please! Whether the letter " N, P, H " is abbreviated for a meaningful word??? : r/Hydraulics](https://i.redd.it/8hpjzi3vjl851.jpg)
Does anybody tell me the real meaning of 2SN 2SP 4SP 4SH on hydraulic hose please! Whether the letter " N, P, H " is abbreviated for a meaningful word??? : r/Hydraulics
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