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 6620-01-487-0605
NSN 5935-00-437-7225
NSN 5930-01-550-7081
NSN 2925-00-510-8122
NSN 5895-01-511-3533
NSN 5920-01-649-3942
NSN 6135-01-448-4680
NSN 6650-01-103-7342
NSN 6130-01-116-2100
NSN 5950-01-494-9778
NSN 5996-01-279-1089
NSN 6105-01-270-6310