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 6240-01-488-9811
NSN 6110-01-581-7721
NSN 2925-01-534-7314
NSN 5985-01-007-6652
NSN 6645-01-185-4061
NSN 6620-00-789-8684
NSN 5930-01-441-1647
NSN 5910-00-857-1798
NSN 6650-00-878-8909
NSN 5855-01-602-9653
NSN 6240-01-529-6624
NSN 6645-00-108-6479