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 6685-01-323-7840
NSN 5990-01-152-3974
NSN 5915-01-193-8669
NSN 6150-01-445-6078
NSN 5985-01-357-9915
NSN 5905-01-406-4323
NSN 5910-00-857-9142
NSN 5930-00-924-2232
NSN 5935-00-116-8929
NSN 5990-01-032-5160
NSN 5935-01-315-6363
NSN 5950-01-500-6533