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 4140-01-548-8081
NSN 5950-00-639-9675
NSN 6135-01-609-3628
NSN 5960-01-550-8038
NSN 5835-00-058-7017
NSN 4140-01-476-7871
NSN 6320-01-267-7990
NSN 6130-01-610-0483
NSN 5985-01-044-1677
NSN 5905-01-112-2132
NSN 6650-01-442-6871
NSN 6145-01-107-6135