A fitting used with a union nut and a tailpiece to form a union.
NSN 6650-00-170-5095
NSN 5975-00-719-9793
NSN 6320-01-592-6248
NSN 5910-00-362-6687
NSN 6135-01-056-4609
NSN 6130-01-075-0733
NSN 5905-01-583-3098
NSN 2925-01-480-8273
NSN 2925-00-265-7539
NSN 6220-01-249-3884
NSN 5910-00-379-2349
NSN 5996-00-600-6384