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 5915-00-182-8068
NSN 5965-01-328-7979
NSN 6220-01-487-3904
NSN 6685-01-221-4605
NSN 5910-01-043-8066
NSN 5985-00-934-1289
NSN 6220-01-189-1373
NSN 5990-01-034-8211
NSN 5960-01-041-3048
NSN 4140-01-498-8491
NSN 5925-01-142-7775
NSN 5855-01-510-9416