A fitting used with a union nut and thread piece to form a union.
NSN 5965-00-222-7394
NSN 6220-01-579-4786
NSN 5835-01-122-3489
NSN 6220-01-542-2087
NSN 6685-01-150-6581
NSN 5920-01-461-8719
NSN 5920-00-981-5821
NSN 5975-01-062-0960
NSN 5895-00-270-6595
NSN 6110-00-229-6762
NSN 5975-00-303-0339
NSN 5905-00-992-0783