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 6105-01-495-7548
NSN 5999-00-112-1501
NSN 5920-00-401-7951
NSN 6685-01-372-3393
NSN 6220-01-252-8398
NSN 6320-01-516-3836
NSN 6240-00-091-9276
NSN 5999-00-139-5638
NSN 5930-00-415-1209
NSN 6135-01-365-2707
NSN 5835-01-193-6192
NSN 6105-01-277-4551