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 6220-01-472-4062
NSN 6240-01-257-1052
NSN 5910-01-550-8339
NSN 6685-00-435-4023
NSN 6220-01-358-9975
NSN 6620-01-133-4193
NSN 2925-00-934-8383
NSN 5855-00-821-7512
NSN 6105-01-136-1472
NSN 5895-00-780-2040
NSN 5990-00-001-4570
NSN 2925-00-909-2596