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 6620-01-419-8014
NSN 7035-00-300-3208
NSN 6320-01-521-1764
NSN 5985-00-513-3420
NSN 6320-01-605-7059
NSN 5920-00-970-8419
NSN 5996-00-691-6554
NSN 7035-00-565-9623
NSN 5998-00-927-6174
NSN 6620-01-607-5738
NSN 6135-01-246-0308
NSN 6620-01-184-7384