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 5910-01-449-8680
NSN 6685-00-317-4319
NSN 6620-01-445-4295
NSN 6130-01-481-7433
NSN 5855-01-083-6916
NSN 5925-00-807-7687
NSN 6240-00-436-5389
NSN 5925-00-003-4722
NSN 6610-01-344-9239
NSN 5935-01-519-9349
NSN 5920-00-829-3634
NSN 5905-01-613-2091