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 5990-01-424-2954
NSN 5930-01-649-1517
NSN 6650-01-461-8283
NSN 6145-01-183-4137
NSN 5930-01-422-2960
NSN 5975-00-170-3623
NSN 5998-00-236-6117
NSN 7035-00-155-9513
NSN 4140-00-067-4798
NSN 5910-01-641-2740
NSN 5990-01-426-7350
NSN 5915-00-999-9137