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 6620-01-499-7705
NSN 4140-01-441-8990
NSN 5999-01-303-7514
NSN 6240-01-420-7304
NSN 5985-01-555-7606
NSN 6620-00-273-8735
NSN 5960-00-985-2783
NSN 6220-00-781-9381
NSN 5835-00-918-8169
NSN 2925-01-517-8544
NSN 5905-01-442-7303
NSN 6320-00-242-3300