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 4140-01-004-9177
NSN 6620-01-352-5640
NSN 6220-01-340-4874
NSN 7035-00-541-8516
NSN 5945-01-039-3600
NSN 6135-00-877-1659
NSN 5985-01-064-7201
NSN 5990-01-649-0635
NSN 5905-01-476-4972
NSN 5930-01-261-2553
NSN 5975-01-235-0062
NSN 6135-01-222-0703