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 4140-01-225-0041
NSN 5965-01-548-0965
NSN 6145-00-643-4962
NSN 6150-00-596-9882
NSN 5965-01-590-1054
NSN 5855-00-405-4532
NSN 5990-01-183-6478
NSN 6620-01-602-7524
NSN 4140-01-272-4041
NSN 5945-00-728-1864
NSN 4140-01-432-9851
NSN 5985-01-215-3443