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 5920-01-514-4095
NSN 6620-01-550-6059
NSN 5945-01-317-1845
NSN 5960-01-275-7552
NSN 6650-01-624-0818
NSN 5996-00-253-0796
NSN 6135-01-504-6929
NSN 5910-00-492-4131
NSN 5905-01-617-2528
NSN 6105-01-077-2497
NSN 6150-01-242-7902
NSN 6620-01-022-4104