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 6150-00-593-5199
NSN 4140-01-272-3173
NSN 5975-01-629-2337
NSN 5996-00-337-5158
NSN 5910-00-555-3003
NSN 5905-01-550-6101
NSN 5835-00-505-2516
NSN 6105-01-506-4285
NSN 5910-01-632-7560
NSN 5990-01-364-8405
NSN 6620-00-236-2048
NSN 5965-01-518-1624