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 5985-00-581-8321
NSN 5925-01-400-0821
NSN 5999-01-449-8679
NSN 4140-01-497-5107
NSN 5925-01-239-2041
NSN 6650-01-053-6404
NSN 5935-00-925-1147
NSN 5930-01-134-5470
NSN 5895-00-409-1512
NSN 5985-01-269-6774
NSN 5965-00-234-7338
NSN 6620-01-535-6925