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 4140-01-386-1447
NSN 5990-00-099-0822
NSN 5998-01-101-9305
NSN 5975-00-498-6618
NSN 6145-01-357-6288
NSN 5905-00-204-9861
NSN 5950-01-330-1667
NSN 5930-00-933-9058
NSN 5925-00-269-2685
NSN 6320-00-593-0379
NSN 5996-01-350-9551
NSN 5925-00-642-5253