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 5990-01-147-5225
NSN 6150-01-183-4814
NSN 6610-00-104-7518
NSN 6150-01-191-1733
NSN 6610-01-076-4800
NSN 5835-01-227-4752
NSN 5915-00-879-8735
NSN 5910-01-649-3398
NSN 4140-01-461-7885
NSN 7035-01-531-6554
NSN 5835-00-905-7165
NSN 5910-01-658-2981