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 5960-01-323-3143
NSN 6685-01-202-4050
NSN 5965-01-435-1309
NSN 5990-01-013-8464
NSN 4140-00-299-6328
NSN 5855-00-427-7848
NSN 5935-01-145-0440
NSN 6650-01-393-7655
NSN 6685-01-598-7695
NSN 5960-00-018-3477
NSN 5935-01-595-9830
NSN 6620-01-607-5738