Tube(Metric)-T(R)			Tube(Inch)-T(R)		Tube(Inch)-T(NPT)
PD 04-M5	PD 06-04	PD 12-02	PD 1/4-01	PD 3/8-04	PD 5/32-U	PD 1/4-N2	PD 1/2-N2
PD 04-M6	PD 08-01	PD 12-03	PD 1/4-02	PD 1/2-02	PD5/32-N1	PD 1/4-N3	PD 1/2-N3
PD 04-01	PD 08-02	PD 12-04	PD 1/4-03	PD 1/2-03	PD5/32-N2	PD 5/16-N1	PD 1/2-N4
PD 04-02	PD 08-03	PD 14-03	PD 5/16-01	PD 1/2-04	PD 3/16-U	PD 5/16-N2
PD 06-M5	PD 08-04	PD 14-04	PD 5/16-02		PD 3/16-N1	PD 5/16-N3
PD 06-M6	PD 10-01	PD 16-03	PD 5/16-03		PD 3/16-N2	PD 3/8-N1
PD 06-01	PD 10-02	PD 16-04	PD 3/8-01		PD 3/16-N3	PD 3/8-N2
PD 06-02	PD 10-03		PD 3/8-02		PD 1/4-U	PD 3/8-N3
PD 06-03	PD 10-04		PD 3/8-03		PD 1/4-N1	PD 3/8-N4