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 6620-01-532-4147
NSN 5905-00-157-9823
NSN 6645-00-419-9939
NSN 5990-01-340-1306
NSN 5925-01-047-6991
NSN 6645-00-114-2678
NSN 5975-00-481-3681
NSN 5920-01-529-6525
NSN 6130-00-138-3073
NSN 5998-00-282-2097
NSN 5895-01-102-3065
NSN 6650-01-368-3286