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 4140-01-380-8871
NSN 6110-01-055-6442
NSN 5930-00-189-0809
NSN 5999-00-104-5582
NSN 6240-00-421-0176
NSN 5910-00-929-5905
NSN 5990-00-027-5689
NSN 5855-00-532-0025
NSN 6645-01-050-9794
NSN 5905-01-543-1117
NSN 6220-01-482-0365
NSN 5999-01-597-5170