Hy-Lok

Union

Material
• 316 Stainless Steel
• Brass
• Carbon Steel
 
Thread Type
• Parallel Thread ASME B1.1 (Unified)
• Parallel Thread BS 2779 (BSPP), ISO 228/1
• Taper Thread ASME/ANSI B1.20.1 (NPT)
• Taper Thread BS 21 (BSPT), ISO 7/1
Union
U (UNF) 3/4"-16
Series FU
Standard SAE J514(070101)