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 4140-01-519-8590
NSN 5996-01-549-3844
NSN 6610-01-291-4173
NSN 6135-01-154-3526
NSN 5935-01-301-2442
NSN 5925-01-098-7829
NSN 6620-00-957-1352
NSN 6320-01-093-5738
NSN 5935-01-495-0756
NSN 5985-01-488-1095
NSN 6650-01-269-6817
NSN 7035-01-243-2730