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 6620-01-181-1757
NSN 5999-00-260-0471
NSN 6240-00-482-9188
NSN 5930-01-322-7581
NSN 6105-00-635-9809
NSN 5935-01-155-2513
NSN 5975-01-205-6446
NSN 5999-00-069-0072
NSN 6620-01-576-7723
NSN 5925-01-469-3103
NSN 5855-00-179-8588
NSN 6145-01-047-9537