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 6105-00-237-6292
NSN 6130-01-449-4360
NSN 5996-01-657-7908
NSN 5990-00-067-1622
NSN 5855-01-225-5855
NSN 5895-01-568-8331
NSN 6610-00-910-6822
NSN 6110-00-574-8122
NSN 2925-00-305-8030
NSN 5999-01-600-0305
NSN 6130-01-372-4540
NSN 6685-01-010-3176