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 5999-00-284-8403
NSN 6150-01-529-6756
NSN 5999-01-484-3869
NSN 4140-01-089-9724
NSN 5835-01-090-0784
NSN 6650-00-074-2445
NSN 6150-01-443-7207
NSN 2925-00-343-3235
NSN 5999-01-504-4250
NSN 5925-00-216-8767
NSN 5960-01-012-6765
NSN 5895-01-078-0403