Stainless Steel Flat Crimp Socket For Use With FC363 & FC364 -20 Hose

Correct on both counts. The FC1347-20-329 is sized specifically for -20 hose and is paired with the FC363 and FC364 hose lines. As long as your hose matches one of those two designations in the -20 size, you are ordering the right socket.

This Aeroquip stainless steel crimp socket is specifically made for use with FC363 and FC364 -20 hose.

This socket is specifically made for -20 size hose, which should match what you're looking for.

For a -20 size FC363 hose, the FC1347-20-329 is the matching flat crimp socket, and it is also listed for use with -20 FC364 hose.

Both hoses are covered with this fitting. The FC1347-20-329 is specifically built for use with FC363 and FC364 hose in the -20 size, so you don't have to guess at compatibility between those two hose types.