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 5975-00-310-1099
NSN 5930-00-679-9076
NSN 5895-01-576-2956
NSN 5925-00-197-4329
NSN 5965-00-328-6884
NSN 5999-01-098-7403
NSN 6130-01-296-3283
NSN 5855-01-241-1054
NSN 5975-01-285-9559
NSN 6135-01-568-3234
NSN 6150-00-548-2192
NSN 6650-01-524-2105