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 5999-01-449-1442
NSN 6105-00-910-1739
NSN 5990-00-150-6979
NSN 6620-01-149-8892
NSN 7035-01-429-7954
NSN 6650-00-925-8421
NSN 6240-01-546-3347
NSN 5930-01-576-3624
NSN 6240-01-341-3418
NSN 6145-01-329-6982
NSN 5945-00-173-4582
NSN 6320-01-475-7654