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 4140-01-510-2729
NSN 5855-00-832-7316
NSN 6645-01-467-9983
NSN 5950-00-461-8498
NSN 5855-00-151-3853
NSN 6650-00-518-2962
NSN 6105-00-248-5772
NSN 5910-01-500-7468
NSN 7035-01-432-2424
NSN 6110-01-415-5086
NSN 5935-00-937-2164
NSN 6135-01-620-5244