All variants compared

Image	Product no	Product description	Thread [G1]	Thread [G2]	Stock	...
	A04NM-02NMF BUSH		1/4" NPT	1/8" NPT	Available
	A06NM-02NMF BUSH		3/8" NPT	1/8" NPT	Available
	A06NM-04NMF-BUSH		3/8" NPT	1/4" NPT	Available
	A08NM-04NMF BUSH		1/2" NPT	1/4" NPT	Currently not available
	A08NM-06NMF BUSH		1/2" NPT	3/8" NPT	Available
	A12NM-06NMF BUSH		3/4" NPT	3/8" NPT	Available
	A12NM-08NMF BUSH		3/4" NPT	1/2" NPT	Available
	A16NM-08NMF BUSH		1" NPT	1/2" NPT	Available
	A16NM-12NMF BUSH		1" NPT	3/4" NPT	Available
	A20NM-16NMF BUSH		1.1/4" NPT	1" NPT	Available
	A24NM-16NMF BUSH		1.1/2" NPT	1" NPT	Available