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 5925-01-173-2841
NSN 6240-00-681-2795
NSN 6130-00-952-2970
NSN 6685-01-054-0551
NSN 6240-01-023-5536
NSN 5835-01-380-5943
NSN 6240-00-306-9214
NSN 6650-00-140-8776
NSN 5996-01-056-7011
NSN 5999-01-388-4424
NSN 5945-01-624-7586
NSN 6620-01-250-1692