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 6110-00-202-2990
NSN 6620-00-629-5850
NSN 6610-00-081-2365
NSN 5935-01-184-4270
NSN 5990-01-586-8202
NSN 5925-01-197-9899
NSN 5990-01-516-9665
NSN 5925-01-357-9402
NSN 5910-01-327-3532
NSN 6685-01-611-0157
NSN 6610-00-459-4582
NSN 5905-01-236-1012