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 6645-00-162-2092
NSN 6130-01-658-1673
NSN 5895-01-491-8571
NSN 5960-01-237-0662
NSN 5910-01-066-7810
NSN 5915-01-037-4278
NSN 5965-01-406-0198
NSN 6105-00-090-9458
NSN 5925-01-023-5398
NSN 4140-01-315-7868
NSN 5915-01-523-1669
NSN 5945-01-441-7736