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 4140-00-420-0251
NSN 5990-01-437-4876
NSN 5905-01-567-9119
NSN 6145-01-487-3773
NSN 6150-01-538-4865
NSN 5910-00-670-7526
NSN 6610-01-632-8561
NSN 6620-01-659-8887
NSN 6650-00-653-1744
NSN 6610-00-161-7439
NSN 6150-01-456-5912
NSN 5895-00-212-7451