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 6620-00-535-1412
NSN 5920-00-799-1348
NSN 6220-01-505-2247
NSN 6220-01-525-2228
NSN 6620-01-205-6608
NSN 6650-00-458-7586
NSN 5999-01-162-4968
NSN 6145-01-436-0826
NSN 5950-01-370-4857
NSN 6685-01-386-1093
NSN 6620-00-844-2494
NSN 6620-01-308-5723