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 6650-01-294-5243
NSN 6110-00-905-6148
NSN 6145-01-223-4450
NSN 5920-01-301-0190
NSN 5855-00-357-1158
NSN 5935-00-147-0565
NSN 2925-00-246-3077
NSN 5915-00-689-6757
NSN 6145-01-234-7680
NSN 6130-01-540-4462
NSN 6130-00-452-1486
NSN 6650-01-425-1934