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 5960-01-012-6765
NSN 5999-01-371-2185
NSN 5930-01-312-9522
NSN 5925-00-812-1987
NSN 5999-00-833-1028
NSN 5910-01-091-3920
NSN 5990-00-212-4316
NSN 6610-00-878-4634
NSN 5920-00-357-0260
NSN 5975-00-203-1265
NSN 6685-01-503-6537
NSN 5930-01-608-3988