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 5920-01-389-8258
NSN 5920-01-283-7042
NSN 5930-01-423-1040
NSN 5930-01-063-3823
NSN 5895-01-163-1009
NSN 6320-00-149-7570
NSN 5999-01-422-1676
NSN 5985-00-189-0953
NSN 7035-00-225-6499
NSN 6685-01-581-5462
NSN 5895-01-395-7625
NSN 5960-00-241-2911