limited to the sizes recited therein one of ordinary skill in the art will readily recognize that the connectors 30 and 130 can be made in each of the sizes specified in sae standard j518 and achieve each of the above described objects of the invention fig1 17 illustrate an offset 90 degree flanged connector 230 fig1 19 illustrate an in line 90 degree flanged connector 330 similar to the two bolt connector 30 described above both 90 degree flanged connectors 230 330 have a one piece design a slash is used herein to separate reference numerals designating respective similar elements of different embodiments the connectors 230 330 have an irregularly shaped base portion 232 332 having a lengthwise extending generally conical extension reinforcement portion 232 b 332 b at one end and a generally flat port face mounting surface 232 a 332 a at the other end the port face mounting surface 232 a 332 a has an annular recess 242 342 formed therein which is designed to receive an o ring which seals the connector 230 330 on a desired port face 24 the 90 degree flanged connectors 230 330 have a connection piece 236 336 fixed to and extending from the narrow or tapered end of the conical extension 232 b 332 b the connection piece 236 336 is designed to interconnect with a variety of elements such as a tube extension hose or pipe in contrast with the connector 30 described above the connection piece 236 336 of the connectors.