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 6620-01-532-4147
NSN 6610-00-115-1203
NSN 5905-00-159-2749
NSN 6220-00-483-1979
NSN 6240-01-464-8916
NSN 5945-00-081-2754
NSN 6220-01-487-3904
NSN 5930-01-234-6264
NSN 6240-01-227-4178
NSN 5950-01-630-0871
NSN 5960-00-698-3765
NSN 6110-01-024-2899