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 6685-01-055-6057
NSN 6220-01-658-4536
NSN 5905-01-186-9719
NSN 6685-00-920-3457
NSN 5945-00-295-6999
NSN 6220-01-503-5420
NSN 5920-00-294-0753
NSN 6135-01-238-2878
NSN 5999-00-205-0918
NSN 6130-01-628-1593
NSN 5855-01-141-8227
NSN 5998-00-823-1126