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
NSN 6645-00-139-5694
NSN 6685-00-679-9965
NSN 6130-01-652-0718
NSN 5930-00-231-8647
NSN 5950-01-360-7689
NSN 5996-01-407-1458
NSN 5855-01-013-6864
NSN 6110-01-384-4292
NSN 5950-01-627-1164
NSN 5935-00-932-9253
NSN 6240-01-492-9733