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 5835-00-537-7780
NSN 5905-00-952-5763
NSN 5910-01-339-0235
NSN 6135-00-985-7887
NSN 6150-00-960-4987
NSN 5910-01-229-7147
NSN 5930-01-542-1984
NSN 5950-00-508-3325
NSN 5975-01-535-4533
NSN 6130-00-125-9657
NSN 5920-00-188-7373
NSN 5855-00-631-4565