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 5945-00-576-0158
NSN 5965-00-670-2931
NSN 6645-01-263-7273
NSN 6130-01-359-9321
NSN 6150-01-529-5057
NSN 6240-00-056-8042
NSN 5935-01-029-4225
NSN 5910-01-598-4221
NSN 6610-01-484-8745
NSN 5990-00-893-8998
NSN 5998-01-453-8466
NSN 6650-01-141-5999