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 5960-01-226-0342
NSN 4140-01-308-6109
NSN 5905-00-778-2369
NSN 5915-01-415-3520
NSN 5999-01-054-8536
NSN 6685-01-094-7219
NSN 6220-01-116-6843
NSN 6105-00-908-9048
NSN 5990-00-782-1400
NSN 5945-01-087-2749
NSN 6610-00-290-0758
NSN 5950-01-178-0269