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 5930-01-417-3767
NSN 6135-01-074-8220
NSN 6620-01-652-2078
NSN 5996-01-467-1592
NSN 5910-01-198-9345
NSN 6620-00-866-4434
NSN 5930-01-283-0222
NSN 6685-00-440-6517
NSN 5855-01-472-1797
NSN 6135-01-189-5567
NSN 6220-00-149-0977
NSN 4140-00-100-4563