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 5905-01-170-2660
NSN 5915-01-593-8937
NSN 5930-01-068-8049
NSN 5855-01-268-6468
NSN 5930-01-189-1675
NSN 6320-01-519-8767
NSN 5855-00-532-0025
NSN 6130-00-862-2648
NSN 6685-01-199-5911
NSN 5905-01-440-7331
NSN 6320-01-435-5991
NSN 6685-01-357-6358