ORDERING CODE規格		Pitch螺距		Dimension基本尺寸
External	Internal	MM	TPI	L	D	Y	X
	11NR 27 NPTF		27	11	6.35	0.8	0.7
	11NR 18 NPTF		18	11	6.35	1.0	0.8
	11NR 14 NPTF		14	11	6.35	1.0	0.8
	16ER 27 NPTF		27	16	9.525	0.8	0.7
	16NR 18 NPTF		18			1.0	0.8
	16NR 14 NPTF		14			1.2	0.9
	16NR 11.5NPT		11.5			1.5	1.1
	27NR 8  NPTF		8			1.8	1.3