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 6130-00-166-0031
NSN 6685-01-413-4632
NSN 7035-01-506-9957
NSN 6610-01-417-3011
NSN 5835-00-012-1846
NSN 6620-00-546-6071
NSN 6240-01-383-7554
NSN 6105-01-648-9741
NSN 6240-00-071-1280
NSN 6645-00-901-6418
NSN 5999-01-021-0373
NSN 6320-01-449-1014