A fitting used with a union nut and a tailpiece to form a union.
NSN 7035-01-411-6062
NSN 6150-01-252-8527
NSN 5998-01-411-9857
NSN 6620-01-378-5579
NSN 5960-00-263-0106
NSN 5835-01-541-9991
NSN 5996-00-983-2664
NSN 6135-01-100-9056
NSN 5996-01-067-8303
NSN 5999-01-499-0609
NSN 6645-01-304-0889
NSN 6685-01-376-2291