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 5996-00-629-6513
NSN 5855-00-151-3853
NSN 5855-01-456-4878
NSN 5915-00-239-7174
NSN 6240-01-242-2292
NSN 2925-00-420-8151
NSN 5895-00-910-2817
NSN 6145-01-012-2557
NSN 4140-00-036-2851
NSN 6645-00-421-5287
NSN 6610-01-506-6151
NSN 5999-00-036-6162