Outside diameter 0.500; inside diameter 0.375; wall 2.062
NSN 5935-01-512-1594
NSN 5935-01-024-4188
NSN 5835-01-027-1828
NSN 5965-01-186-2051
NSN 6620-01-330-3917
NSN 4140-01-151-7963
NSN 6685-01-170-6764
NSN 7035-01-268-0933
NSN 5985-00-551-3244
NSN 5975-00-790-4733
NSN 2925-01-476-3224
NSN 5915-01-391-1114