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 5855-00-149-0766
NSN 6645-01-290-3930
NSN 5990-01-548-5979
NSN 5915-00-288-0071
NSN 6240-01-075-6559
NSN 5905-01-238-5828
NSN 6135-00-995-1089
NSN 5920-00-340-3002
NSN 7035-01-478-5922
NSN 6645-01-227-2036
NSN 5855-01-020-7982
NSN 5975-01-230-4655