Product Information Seal: Nitrile Select a Product Part NumberUsed onSize 2H-RKITsteel couplings1/4" 2H-SRKIT303 Stainless Steel couplings1/4" 3H-BRKITbrass couplings3/8" 3H-SSRKIT316 Stainless Steel couplings3/8" 4H-RKITsteel couplings1/2" 4H-BRKITbrass couplings1/2" 4H-SRKIT303 Stainless Steel couplings1/2" 6H-RKITsteel couplings3/4" 6H-SRKIT303 Stainless Steel couplings3/4" 6H-SSRKIT316 Stainless Steel couplings3/4" 8H-BRKITbrass couplings1" 8H-SRKIT303 Stainless Steel couplings1" 8H-SSRKIT316 Stainless Steel couplings1" 10H-RKITsteel couplings1-1/4" 10H-BRKITbrass couplings1-1/4" 12H-RKITsteel couplings1-1/2" 12H-BRKITbrass couplings1-1/2" 12H-SRKIT303 Stainless Steel couplings1-1/2" 6H-BRKITbrass couplings3/4" 2H-BRKITbrass couplings1/4" 8H-RKITsteel couplings1" 3H-RKITsteel couplings3/8" 4H-SSRKIT316 Stainless Steel couplings1/2" 10H-SRKIT303 Stainless Steel couplings1-1/4" 10H-SSRKIT316 Stainless Steel couplings1-1/4" 12H-SSRKIT316 Stainless Steel couplings1-1/2" 2H-SSRKIT316 Stainless Steel couplings1/4" 3H-SRKIT303 Stainless Steel couplings3/8"