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 4140-01-100-4164
NSN 6650-01-592-7778
NSN 5999-00-966-7093
NSN 6150-00-779-5547
NSN 5855-00-951-6483
NSN 6620-01-616-0884
NSN 5985-00-337-6819
NSN 5930-01-254-9243
NSN 6650-01-351-9061
NSN 6150-01-061-2754
NSN 5975-00-157-9676
NSN 5996-00-721-2194