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 6240-01-383-6858
NSN 5935-01-338-7536
NSN 6130-01-605-4397
NSN 5930-01-500-8340
NSN 6105-00-409-9228
NSN 5930-00-068-0844
NSN 6220-01-467-8321
NSN 6105-00-733-9226
NSN 5950-00-503-5418
NSN 2925-00-494-5537
NSN 6135-01-027-7543
NSN 6610-00-382-0266