A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6220-00-189-6561
NSN 6320-01-292-6635
NSN 5996-01-122-3768
NSN 5920-01-132-3321
NSN 6110-00-960-7341
NSN 5998-01-421-4567
NSN 6620-00-155-2608
NSN 5998-01-346-0559
NSN 5960-01-437-4482
NSN 5920-01-255-0816
NSN 5965-01-332-1931
NSN 5935-00-871-9545