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 4140-01-189-5610
NSN 5985-00-788-9258
NSN 5975-01-323-4875
NSN 6135-01-572-0969
NSN 6685-00-067-5968
NSN 6650-00-964-9470
NSN 6240-01-040-5530
NSN 5965-00-113-6874
NSN 6610-00-523-5621
NSN 7035-01-619-1268
NSN 6645-01-045-4088
NSN 6130-01-094-0786