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 5935-00-232-5553
NSN 4140-00-113-1279
NSN 5835-01-632-6627
NSN 5999-01-340-5392
NSN 5999-01-053-9871
NSN 5895-00-637-2658
NSN 5905-00-318-2848
NSN 6150-01-654-4357
NSN 6105-01-131-7140
NSN 6110-00-421-3549
NSN 6650-01-307-1041
NSN 6110-00-642-1120