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 6130-01-551-3556
NSN 5935-00-857-6692
NSN 6685-00-432-8795
NSN 5905-01-650-0029
NSN 5855-00-908-9314
NSN 6620-01-357-7751
NSN 6650-01-659-5594
NSN 5910-00-934-8542
NSN 5925-01-208-0617
NSN 5965-01-138-4979
NSN 5905-01-456-7348
NSN 5915-00-113-4396