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 6220-01-009-6157
NSN 6610-00-516-4228
NSN 4140-01-630-8246
NSN 5985-00-296-9999
NSN 5895-01-605-0160
NSN 6150-01-259-5381
NSN 6645-00-503-1379
NSN 5855-01-105-7793
NSN 5998-01-112-8243
NSN 4140-01-026-1381
NSN 2925-01-583-5619
NSN 5895-01-143-1843