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 5925-01-331-4716
NSN 6240-01-467-9719
NSN 6320-01-441-2438
NSN 5990-01-419-0661
NSN 5930-00-522-7819
NSN 6135-00-097-8162
NSN 6620-01-420-0964
NSN 6110-01-659-7554
NSN 6685-00-417-6239
NSN 5935-01-541-5880
NSN 4140-00-451-8374
NSN 6110-01-422-7286