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 6240-01-500-0433
NSN 6320-00-456-0836
NSN 6645-00-754-4108
NSN 6620-01-174-0308
NSN 5835-01-284-5689
NSN 5998-00-894-0904
NSN 6650-01-357-4410
NSN 5996-01-089-2777
NSN 5950-01-019-3475
NSN 6645-01-272-6987
NSN 5999-01-339-0976
NSN 5855-00-821-7512