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 4140-00-997-0670
NSN 5920-00-338-6966
NSN 5835-01-472-4856
NSN 5996-01-322-4838
NSN 6650-01-449-1413
NSN 6240-00-170-5302
NSN 6320-01-643-0850
NSN 5895-01-313-2239
NSN 6610-01-322-7677
NSN 2925-01-380-0869
NSN 6685-01-165-0576
NSN 6685-01-062-2151