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 5999-00-687-1590
NSN 6620-01-358-0205
NSN 5975-01-207-7304
NSN 5985-01-356-9020
NSN 5950-01-232-8602
NSN 5905-01-473-7630
NSN 5910-01-328-8539
NSN 5910-01-249-2216
NSN 5910-01-572-6968
NSN 5925-00-810-5279
NSN 2925-00-071-4197
NSN 6150-01-082-7220