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 4140-01-640-6637
NSN 6240-00-261-8430
NSN 6130-01-469-6381
NSN 5950-00-054-7594
NSN 2925-00-275-1807
NSN 6105-01-207-2729
NSN 5910-00-247-2075
NSN 6105-01-252-3478
NSN 6130-01-304-2098
NSN 5855-00-494-9581
NSN 5985-00-850-6391
NSN 5855-01-109-6433