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 5985-00-880-2134
NSN 6650-01-107-2733
NSN 5945-01-278-4959
NSN 5910-01-130-1786
NSN 5905-01-214-8891
NSN 5996-00-299-1609
NSN 5960-00-496-9500
NSN 5999-01-288-9273
NSN 5990-00-193-3028
NSN 5935-00-789-0035
NSN 5835-01-411-7050
NSN 6145-01-265-2369