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 6130-00-374-7540
NSN 6130-01-258-8966
NSN 6610-00-202-5481
NSN 5915-01-089-6694
NSN 5910-00-618-5455
NSN 5835-01-079-6441
NSN 5945-00-600-8927
NSN 6135-01-447-4001
NSN 5945-01-648-2231
NSN 5965-01-364-0829
NSN 5915-00-367-2854
NSN 5996-01-471-2629