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 5855-01-330-3669
NSN 6610-01-136-7836
NSN 4140-01-092-1098
NSN 4140-01-449-2903
NSN 6130-00-287-2932
NSN 6220-01-390-1608
NSN 2925-01-462-8593
NSN 5925-01-255-7368
NSN 5999-01-251-1551
NSN 6645-01-116-2037
NSN 5935-01-068-4488
NSN 6130-01-020-9004