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 5920-01-633-1077
NSN 5920-00-253-4227
NSN 6145-01-482-4647
NSN 6135-00-209-6918
NSN 6145-01-096-4571
NSN 5990-01-436-7191
NSN 5910-00-135-2856
NSN 2925-01-016-3111
NSN 6110-01-231-2568
NSN 6240-01-131-9580
NSN 6105-01-365-8006
NSN 6650-01-493-3660