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 5985-01-493-3149
NSN 6220-00-136-0138
NSN 5915-00-553-5801
NSN 5935-00-526-0540
NSN 5855-01-154-3871
NSN 6150-01-507-5972
NSN 6685-00-634-9964
NSN 5985-01-032-4818
NSN 6105-00-570-1664
NSN 5935-00-182-8746
NSN 6135-01-581-8843
NSN 5999-01-333-5043