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 6610-01-039-9295
NSN 5915-01-157-0977
NSN 6645-00-221-1058
NSN 5895-00-401-4917
NSN 5895-01-207-3112
NSN 5935-01-513-8861
NSN 5950-01-634-0677
NSN 6620-00-278-7313
NSN 6685-01-515-0461
NSN 5920-00-515-3617
NSN 5895-00-066-6657
NSN 5935-01-146-5537