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 6620-01-617-3915
NSN 6685-01-143-7722
NSN 4140-01-541-0303
NSN 5895-01-077-7695
NSN 5930-01-459-0017
NSN 6610-00-515-4704
NSN 6620-01-606-8964
NSN 6645-00-192-1152
NSN 5925-01-378-2914
NSN 6320-01-543-3238
NSN 6150-01-357-6791
NSN 5930-00-118-3992