A fitting used with a union nut and a tailpiece to form a union.
NSN 6130-00-884-9519
NSN 6220-01-560-8421
NSN 2925-01-381-5307
NSN 7035-00-052-2188
NSN 5910-01-333-6820
NSN 5895-01-517-5051
NSN 5905-01-381-0638
NSN 6645-00-321-6071
NSN 5925-00-148-4513
NSN 5895-01-431-8612
NSN 5905-01-095-8377
NSN 2925-00-428-6349