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 5905-01-406-5205
NSN 6620-01-633-8443
NSN 6240-01-520-6925
NSN 6220-01-513-9279
NSN 5910-01-095-7652
NSN 5855-01-364-1005
NSN 6645-01-603-1004
NSN 6110-01-251-2066
NSN 5960-00-420-0418
NSN 5945-00-843-4784
NSN 2925-01-587-3956
NSN 5930-01-342-6244