A fitting used with a union nut and thread piece to form a union.
NSN 5965-00-959-4910
NSN 7035-01-141-3041
NSN 5998-01-519-2626
NSN 5965-00-906-8281
NSN 6610-00-967-6698
NSN 6220-01-481-9193
NSN 6110-01-191-5064
NSN 5975-00-616-4291
NSN 5905-01-497-8651
NSN 6240-01-062-0878
NSN 5985-00-182-7353
NSN 5905-01-198-3881