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 6150-00-457-3770
NSN 6150-00-151-6771
NSN 4140-00-203-0812
NSN 6220-00-419-0635
NSN 5905-01-393-7195
NSN 5945-01-403-2800
NSN 6610-00-732-2488
NSN 5965-01-037-6807
NSN 5895-01-323-6413
NSN 5930-01-168-8184
NSN 5915-01-276-2934
NSN 5990-01-580-1707