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 4140-01-136-9802
NSN 6150-01-103-5915
NSN 6685-01-499-1995
NSN 5996-00-911-9523
NSN 5835-01-074-1161
NSN 6220-01-650-2849
NSN 6150-01-458-9939
NSN 5960-01-160-3437
NSN 5915-00-413-0675
NSN 6130-01-204-2829
NSN 6240-01-277-1688
NSN 6135-00-896-3187