A fitting used with a union nut and a tailpiece to form a union.
NSN 6240-01-307-5094
NSN 5925-01-152-4955
NSN 5985-01-207-0097
NSN 2925-01-415-0264
NSN 6135-01-606-8140
NSN 6220-01-112-0874
NSN 5945-01-165-5406
NSN 5996-01-512-5595
NSN 5835-00-606-7042
NSN 5855-01-621-9483
NSN 5915-01-659-5345
NSN 5895-00-761-3034