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 5905-01-487-7130
NSN 6145-00-916-9556
NSN 6650-01-440-5947
NSN 5990-01-241-9472
NSN 6105-00-004-8962
NSN 5910-01-475-4851
NSN 6685-01-010-1953
NSN 5990-01-380-0650
NSN 7035-01-487-6481
NSN 5910-00-436-1302
NSN 5930-01-004-8339
NSN 6220-01-338-3033