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 5905-01-210-2686
NSN 5999-01-477-6604
NSN 5915-00-233-6346
NSN 5920-01-071-1921
NSN 5930-00-404-3505
NSN 6650-00-905-9317
NSN 6620-01-601-4314
NSN 6110-00-213-2388
NSN 6320-01-166-3602
NSN 5999-01-411-5135
NSN 6645-00-733-9341
NSN 2925-01-193-6689