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 6240-01-552-6444
NSN 6650-01-386-5787
NSN 6620-01-538-0061
NSN 5920-01-438-0557
NSN 2925-00-078-0525
NSN 5855-00-688-9954
NSN 4140-00-106-6780
NSN 6685-01-274-5962
NSN 5990-01-164-0220
NSN 5920-01-389-7348
NSN 4140-01-521-9122
NSN 6110-01-552-2645