Outside diameter 0.500; inside diameter 0.375; wall 2.062
NSN 5998-01-392-1471
NSN 5915-01-253-1514
NSN 5999-01-442-9578
NSN 6150-01-501-3509
NSN 5960-01-283-3467
NSN 6685-01-271-6611
NSN 5999-01-383-6984
NSN 5975-01-111-8477
NSN 6150-01-522-5487
NSN 5965-01-597-8749
NSN 6145-01-431-8803
NSN 5915-01-578-6153