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 5998-00-781-3355
NSN 6620-01-179-4154
NSN 6110-01-190-5512
NSN 2925-01-446-6976
NSN 5855-00-631-4565
NSN 5998-01-068-8727
NSN 6320-00-343-1798
NSN 5925-01-336-7583
NSN 5990-01-116-2181
NSN 6320-00-908-6841
NSN 6645-00-810-7229
NSN 6645-01-135-2590