A fitting used with a union nut and a tailpiece to form a union.
NSN 6130-01-177-3364
NSN 5950-01-106-2417
NSN 6620-01-374-5787
NSN 6685-01-376-7428
NSN 6150-00-501-8077
NSN 4140-00-283-6843
NSN 6320-00-004-9158
NSN 5999-01-525-9496
NSN 5915-01-285-5316
NSN 6620-01-201-4177
NSN 5985-01-536-2226
NSN 5985-00-652-1631