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 4140-01-502-6496
NSN 6645-00-503-1379
NSN 5950-01-013-9013
NSN 6620-01-250-7445
NSN 6645-00-100-4931
NSN 6650-01-514-0240
NSN 6620-01-110-6803
NSN 6610-01-141-7014
NSN 5985-01-146-4822
NSN 6620-01-212-8089
NSN 6610-01-030-7226
NSN 5960-00-864-8853