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 6110-00-293-6816
NSN 5910-01-577-0389
NSN 5999-01-132-0060
NSN 6620-01-595-2113
NSN 6240-01-387-4948
NSN 5990-01-502-8209
NSN 6105-01-463-9928
NSN 6135-00-681-2702
NSN 6150-00-337-4289
NSN 6220-01-647-6028
NSN 5935-01-071-5296
NSN 6620-00-905-6590