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 5999-01-208-9048
NSN 2925-00-964-7128
NSN 6650-01-124-4314
NSN 6685-00-290-6486
NSN 6645-01-067-0780
NSN 6130-01-196-0607
NSN 5920-00-499-8285
NSN 6610-01-286-3079
NSN 5895-00-160-7660
NSN 4140-01-568-6065
NSN 6130-01-298-4089
NSN 5905-01-129-2421