Dix-Lock® N-Series Interchange Male Head x Male Threaded End Plug

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Part Number	Length	Maximum OD	Body Size	Thread	Thread Size	Pipe Thread	Material
N3M4	3.36" (85.3 mm)	1.13" (28.6 mm)	3/8"	NPTF	1/2"	NPT / NPTF	Steel
N4M3-B	3.46" (87.9 mm)	1.31" (33.3 mm)	1/2"	NPTF	3/8"	NPT / NPTF	Brass
N4M3	3.46" (87.9 mm)	1.31" (33.3 mm)	1/2"	NPTF	3/8"	NPT / NPTF	Steel
N4M4-B	3.65" (92.7 mm)	1.31" (33.3 mm)	1/2"	NPTF	1/2"	NPT / NPTF	Brass
N4M4	3.65" (92.7 mm)	1.31" (33.3 mm)	1/2"	NPTF	1/2"	NPT / NPTF	Steel
N4M6-B	3.65" (92.7 mm)	1.31" (33.3 mm)	1/2"	NPTF	3/4"	NPT / NPTF	Brass
N4M6	3.65" (92.7 mm)	1.31" (33.3 mm)	1/2"	NPTF	3/4"	NPT / NPTF	Steel
N4M6-S	3.65" (92.7 mm)	1.31" (33.3 mm)	1/2"	NPTF	3/4"	NPT / NPTF	303 Stainless Steel
N4M6-SS	3.65" (92.7 mm)	1.31" (33.3 mm)	1/2"	NPTF	3/4"	NPT / NPTF	316 Stainless Steel
N4M8-B	3.89" (98.8 mm)	1.51" (38.4 mm)	1/2"	NPTF	1"	BSPP / BSPT	Brass
N4M8	3.89" (98.8 mm)	1.51" (38.4 mm)	1/2"	NPTF	1"	NPT / NPTF	Steel
N4M8-SS	3.65" (92.7 mm)	1.31" (33.3 mm)	1/2"	NPTF	1"	NPT / NPTF	316 Stainless Steel