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 6135-01-322-4655
NSN 5945-00-374-1691
NSN 5835-01-090-0784
NSN 5975-01-171-6415
NSN 5950-00-799-4163
NSN 5925-01-652-3980
NSN 5935-01-528-7884
NSN 6105-00-411-3080
NSN 6135-01-541-6101
NSN 6150-00-473-3761
NSN 7035-01-462-1957
NSN 6240-01-440-9827