SAE ARP908C

This Aerospace Recommended Practice (ARP) is intended to establish recommended installation torque values limits and test criterion for machined flared and flareless hose end fitting connections. Assembly of bite-type MS 21922 flareless sleeves is not included in the ARP (see MIL-F-18280). This ARP is applicable to two types of connections and two basic material classifications. Type I - Flared to mate with MS33656, Type II - Flareless to mate with MS33514, Material I - Steel, corrosion resistant steel, and titanium fittings. Material II - Aluminum fittings.