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 6610-01-171-3010
NSN 5935-00-100-0101
NSN 4140-01-600-1540
NSN 6240-00-811-4640
NSN 6685-01-450-3483
NSN 6685-01-227-2942
NSN 6220-01-153-1937
NSN 6240-01-471-7921
NSN 5930-00-189-3318
NSN 4140-01-058-6603
NSN 7035-01-319-7066
NSN 6620-01-454-5717