A fitting used with a union nut and thread piece to form a union.
NSN 5945-00-565-6186
NSN 6645-00-359-5463
NSN 4140-00-175-6036
NSN 6685-01-632-0064
NSN 5905-01-207-5112
NSN 5915-01-255-5301
NSN 5950-00-238-1841
NSN 6130-01-281-7268
NSN 6110-01-290-0522
NSN 6610-01-542-2276
NSN 5895-00-118-7779
NSN 5935-00-125-7022