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 5999-00-138-9614
NSN 5915-01-339-1015
NSN 5965-01-435-1894
NSN 2925-01-259-7092
NSN 5895-01-365-2724
NSN 5975-01-122-6671
NSN 5910-00-740-7286
NSN 6135-00-269-5843
NSN 6685-00-738-5604
NSN 6620-00-596-1951
NSN 6105-00-957-5703
NSN 6645-01-383-8139