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 5920-01-137-1474
NSN 6650-01-540-5157
NSN 5999-01-097-2434
NSN 5960-01-541-9884
NSN 6320-01-225-9963
NSN 7035-00-565-9623
NSN 5985-01-323-6940
NSN 4140-00-397-9252
NSN 5910-00-159-6195
NSN 6150-01-605-4211
NSN 7035-00-523-7492
NSN 5855-00-911-1370