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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-392-0495
NSN 5999-00-758-6544
NSN 5999-01-232-6836
NSN 6650-01-471-6476
NSN 2925-01-157-9204
NSN 5999-01-204-9321
NSN 4140-01-399-0330
NSN 5950-01-453-2592
NSN 5930-01-171-9160
NSN 2925-00-596-9775
NSN 5895-01-529-0097
NSN 5990-01-643-4167