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 5930-00-287-5071
NSN 6240-00-580-0666
NSN 5990-01-459-9533
NSN 6105-01-496-1844
NSN 5930-01-195-6183
NSN 6145-00-553-8196
NSN 5999-01-388-2942
NSN 6320-01-138-0442
NSN 6620-00-764-9570
NSN 6105-01-227-2588
NSN 6685-00-501-6501
NSN 5905-01-627-2013