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 5998-00-152-0006
NSN 5965-01-193-5221
NSN 2925-00-188-5003
NSN 6130-01-659-0118
NSN 5895-00-518-0217
NSN 6610-00-905-6780
NSN 5935-01-248-5496
NSN 6610-01-271-7593
NSN 5920-00-170-9081
NSN 5999-00-124-5097
NSN 5895-01-601-1042
NSN 6650-01-191-6862