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 6620-00-226-2285
NSN 6135-00-643-4843
NSN 5945-00-619-3553
NSN 6135-01-201-5858
NSN 6110-01-058-2112
NSN 6105-01-473-5859
NSN 5835-01-424-0054
NSN 7035-01-313-3677
NSN 5905-01-025-6913
NSN 5996-00-471-0540
NSN 5920-01-649-3412
NSN 6645-00-776-8234