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 4140-01-100-7922
NSN 6685-01-398-7371
NSN 4140-00-555-3856
NSN 6220-01-367-2923
NSN 5930-00-819-5084
NSN 5915-01-311-8422
NSN 5935-01-421-4827
NSN 5960-01-536-9763
NSN 6645-00-862-2904
NSN 5945-01-443-1005
NSN 5930-01-339-0320
NSN 5905-01-461-2599