A fitting used with a union nut and thread piece to form a union.
NSN 5910-00-954-3713
NSN 5975-01-519-3084
NSN 5960-01-487-2175
NSN 5950-01-435-6354
NSN 6110-00-383-5367
NSN 6320-01-600-5808
NSN 5998-01-172-8217
NSN 5920-01-410-7740
NSN 5999-01-648-1297
NSN 6650-00-526-7785
NSN 6145-00-168-8687
NSN 6130-01-600-8254