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 6130-00-679-8891
NSN 6685-00-242-6722
NSN 6320-01-449-1014
NSN 5990-01-476-8813
NSN 5905-00-104-8096
NSN 5990-01-516-9665
NSN 5960-01-117-1887
NSN 6650-01-071-4514
NSN 5855-01-418-2962
NSN 6685-00-038-7886
NSN 5925-00-660-7589
NSN 5915-00-089-3274