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 5855-00-494-9581
NSN 5895-01-075-1667
NSN 6610-00-910-3254
NSN 6240-01-031-7955
NSN 5905-01-069-2177
NSN 6150-00-101-4873
NSN 6130-01-577-1232
NSN 6130-01-430-9573
NSN 5925-01-421-3154
NSN 5975-01-434-9054
NSN 5835-01-193-6192
NSN 5999-01-034-6311