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 6620-00-296-6762
NSN 6220-01-630-7360
NSN 5950-00-980-7767
NSN 5990-01-580-2191
NSN 6320-00-456-2092
NSN 6150-01-411-4744
NSN 5930-01-106-2966
NSN 5999-01-047-2569
NSN 5915-01-096-3137
NSN 6130-01-386-2894
NSN 5920-00-267-3109
NSN 4140-00-555-2579