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 5999-00-194-7750
NSN 6620-01-039-5468
NSN 5975-01-231-5040
NSN 5950-01-068-4637
NSN 5915-01-066-1980
NSN 5965-01-519-8758
NSN 5930-01-189-0521
NSN 6130-00-284-1629
NSN 5945-00-583-8852
NSN 6685-01-470-6275
NSN 5895-01-545-4659
NSN 5990-01-419-0661