13-3 Model Code: BU - Price is for 1 Each (part# 13-3) Model Code Model Description AAGas Type:Acetylene (B), CGA No.:CGA-520, Thread Size:1/4 in (NPT), Length:1 3/4 in, Material:Brass ABGas Type:Acetylene (Commercial), CGA No.:CGA-300, Thread Size:1/4 in (NPT), Length:1 15/16 in, Material:Brass ACGas Type:Acetylene (Commercial), CGA No.:CGA-300, Thread Size:1/4 in (NPT), Length:2 1/2 in, Material:Brass ADGas Type:Acetylene (Commercial), CGA No.:CGA-300, Thread Size:1/4 in (NPT), Length:2 1/2 in, Material:Brass, Style:Hand-Tight AEGas Type:Acetylene (MC), CGA No.:CGA-200, Thread Size:1/8 in (NPT), Length:1 1/4 in, Material:Brass AFGas Type:Acetylene (POL), Industrial Air, CGA No.:CGA-510, CGA-590, Thread Size:1/4 in (NPT), Length:3 in, Material:Brass, Style:Hand-Tight, Includes:Soft Tip AGGas Type:Air, CGA No.:CGA-346, Thread Size:1/4 in (NPT), Length:2 1/2 in, Material:Brass AHGas Type:Air, CGA No.:CGA-346, Thread Size:1/4 in (NPT), Length:2 1/2 in, Material:Brass, Style:Hand-Tight AIGas Type:Air, CGA No.:CGA-346, Thread Size:1/4 in (NPT), Length:2 1/2 in, Material:Stainless Steel AJGas Type:Air, CGA No.:CGA-347, Thread Size:1/4 in (NPT), Length:3 in, Material:Brass AKGas Type:Air, CGA No.:CGA-347, Thread Size:1/4 in (NPT), Length:3 in, Material:Brass, Style:Hand-Tight ALGas Type:Air, CGA No.:CGA-347, Thread Size:1/4 in (NPT), Length:3 in, Material:Stainless Steel AMGas Type:Air, CGA No.:CGA-347, Thread Size:1/4 in (NPT), Length:3 in, Material:Stainless Steel, Style:Hand-Tight ANGas Type:Argon, Helium, Nitrogen, Acetylene (POL), Industrial Air, CGA No.:CGA-510, CGA-580, CGA-590, Thread Size:1/4 in (NPT), Length:3 1/2 in, Material:Brass, Style:Hand-Tight, Includes:O-Ring AOGas Type:Argon, Helium, Nitrogen, Acetylene (POL), Industrial Air, CGA No.:CGA-510, CGA-580, CGA-590, Thread Size:1/4 in (NPT), Length:3 in, Material:Stainless Steel APGas Type:Argon, Helium, Nitrogen, Acetylene (POL), Industrial Air, CGA No.:CGA-510, CGA-580, CGA-590, Thread Size: