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 6320-01-446-8050
NSN 6610-01-551-0774
NSN 4140-00-018-2198
NSN 5930-01-491-7883
NSN 5935-01-081-2228
NSN 6685-00-663-9000
NSN 4140-00-203-4844
NSN 6240-01-547-6444
NSN 5996-00-508-0383
NSN 6685-01-517-7011
NSN 5835-01-580-0446
NSN 5930-01-593-7188