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 6105-00-248-5772
NSN 6240-01-631-4066
NSN 4140-00-948-3663
NSN 2925-01-306-4228
NSN 5925-01-589-1911
NSN 6130-00-531-6564
NSN 5985-01-443-6383
NSN 6650-01-458-8545
NSN 5835-01-047-6697
NSN 4140-01-583-1504
NSN 6130-01-547-7437
NSN 6645-01-082-0518