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 4140-00-133-1780
NSN 5965-01-383-4675
NSN 6110-00-246-3941
NSN 5930-00-968-6493
NSN 5998-00-197-8821
NSN 5935-01-189-8744
NSN 6320-01-449-1014
NSN 5965-01-465-4370
NSN 6320-00-937-5625
NSN 5935-01-269-5675
NSN 6320-01-422-1212
NSN 6685-01-406-3960