A fitting used with a union nut and thread piece to form a union.
NSN 5920-01-627-1782
NSN 6110-01-653-5038
NSN 5965-01-415-0872
NSN 4140-00-800-7204
NSN 5996-00-100-1238
NSN 5915-00-583-4970
NSN 5965-01-010-1258
NSN 5945-00-619-3553
NSN 5950-01-193-7284
NSN 2925-01-612-0405
NSN 5930-01-288-0033
NSN 5965-00-855-4500