Home / Welding Equipment / Welding Accessories / Hose Couplers/Fittings / Hose Nuts – “B” Fitting Oxygen – 9/16″ Hose Nuts – “B” Fitting Oxygen – 9/16″ $5.19 Part Number: 12288 Hose Nuts-“B” Oxygen 9/16″ 2 pcs. Hose Nuts - "B" Fitting Oxygen - 9/16" quantity Add to cart UPC: 682488122889 Category: Hose Couplers/Fittings Tag: "B" Fitting Oxygen 9/16" Related products Oxygen-Acetylene Hose Splicers. 1/4″ $6.55 Part Number: 12281Add to Cart 5 PK Oxygen-Acetylene Brass Hose Ferrules 1/4″ $6.45 Part Number: 12273Add to Cart Hose Nuts – “B” Fitting. Acetylene 9/16″ $5.19 Part Number: 12287Add to Cart Oxygen-Acetylene Hose Repair Kit $226.63 Part Number: 12260Add to Cart