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 6240-01-562-9727
NSN 6150-01-208-8239
NSN 6620-00-216-6416
NSN 6650-00-034-8438
NSN 5990-01-160-6978
NSN 6320-00-284-1524
NSN 6685-00-150-7080
NSN 6610-01-633-8931
NSN 6650-01-283-7936
NSN 5915-01-596-0593
NSN 6150-00-826-4197
NSN 7035-01-643-5691