Male O-ring Boss® x Female NPTF

Product Options

Part Number	Female Thread Size	Male Thread	Male Thread Size	Female Thread	Material
6405-4-2	1/8"-27	SAE O-ring boss	7/16"-20	NPTF	Zinc Plated Steel
6405-4-4	1/4"-18	SAE O-ring boss	7/16"-20	NPTF	Zinc Plated Steel
6405-4-6	3/8"-18	SAE O-ring boss	7/16"-20	NPTF	Zinc Plated Steel
6405-6-4	1/4"-18	SAE O-ring boss	9/16"-18	NPTF	Zinc Plated Steel
6405-6-6	3/8"-18	SAE O-ring boss	9/16"-18	NPTF	Zinc Plated Steel
6405-6-8	1/2"-14	SAE O-ring boss	9/16"-18	NPTF	Zinc Plated Steel
6405-8-4	1/4”-18	SAE O-ring boss	3/4”-16"	NPTF	Zinc Plated Steel
6405-8-6	3/8"-18	SAE O-ring boss	3/4"-16	NPTF	Zinc Plated Steel
6405-8-8	1/2"-14	SAE O-ring boss	3/4"-16	NPTF	Zinc Plated Steel
6405-10-4	1/4"-18	SAE O-ring boss	7/8"-14	NPTF	Zinc Plated Steel
6405-10-8	1/2"-14	SAE O-ring boss	7/8"-14	NPTF	Zinc Plated Steel
6405-10-12	3/4"-14	SAE O-ring boss	7/8"-14	NPTF	Zinc Plated Steel
6405-12-8	1/2"-14	SAE O-ring boss	1-1/16"-12	NPTF	Zinc Plated Steel
6405-12-12	3/4"-14	SAE O-ring boss	1-1/16"-12	NPTF	Zinc Plated Steel
6405-12-16	1" - 11-1/2	SAE O-ring boss	1-1/16"-12	NPTF	Zinc Plated Steel
6405-16-12	3/4"-14	SAE O-ring boss	1-5/16"-12	NPTF	Zinc Plated Steel
6405-16-16	1" - 11-1/2	SAE O-ring boss	1-5/16"-12	NPTF	Zinc Plated Steel
6405-16-20	1-1/4" - 11-1/2	SAE O-ring boss	1-5/16"-12	NPTF	Zinc Plated Steel
6405-20-16	1" - 11-1/2	SAE O-ring boss	1-5/8"-12	NPTF	Zinc Plated Steel
6405-20-20	1-1/4" - 11-1/2	SAE O-ring boss	1-5/8"-12	NPTF	Zinc Plated Steel