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 5895-01-466-4457
NSN 6620-00-491-3818
NSN 5996-01-555-7690
NSN 6130-00-905-5618
NSN 5910-01-269-1218
NSN 5990-00-140-4559
NSN 4140-01-561-0386
NSN 6610-01-294-5666
NSN 6620-01-136-9832
NSN 6685-01-200-4742
NSN 4140-00-126-4685
NSN 5999-01-476-8123