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 6620-00-546-6071
NSN 6145-00-810-0747
NSN 6620-01-510-6367
NSN 5965-01-540-0743
NSN 5965-01-266-7968
NSN 6685-01-059-1769
NSN 5960-00-785-4274
NSN 5960-00-496-9402
NSN 6105-00-328-6472
NSN 6610-00-213-8544
NSN 5999-00-083-6833
NSN 5960-01-423-1085