A fitting used with a union nut and thread piece to form a union.
NSN 6320-01-476-5145
NSN 6320-00-110-8005
NSN 4140-00-529-7463
NSN 5895-00-170-4568
NSN 5895-01-143-4933
NSN 6130-01-477-5571
NSN 5950-00-303-5298
NSN 5965-01-340-3723
NSN 6220-01-188-6962
NSN 4140-01-319-5534
NSN 6135-01-087-7895
NSN 5990-00-703-0175