A fitting used with a union nut and a tailpiece to form a union.
NSN 5965-01-377-3587
NSN 5998-00-146-7033
NSN 5925-01-259-2418
NSN 6220-01-008-5907
NSN 6220-00-271-9553
NSN 6145-01-324-0087
NSN 5998-01-152-2819
NSN 6110-01-191-1335
NSN 6645-00-250-4680
NSN 5990-01-301-9810
NSN 5855-01-536-6134
NSN 5925-01-215-1233