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 4140-01-050-0631
NSN 5905-01-074-6810
NSN 5999-01-605-4523
NSN 5960-01-580-6360
NSN 5945-01-193-4312
NSN 5905-01-242-7247
NSN 5945-01-336-2973
NSN 5925-01-085-4355
NSN 5910-01-226-3192
NSN 5925-01-604-1989
NSN 2925-01-633-4048
NSN 6685-00-216-6676