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 4140-01-253-5756
NSN 6620-01-412-0938
NSN 6220-01-005-2134
NSN 6610-01-517-6425
NSN 6620-01-334-8938
NSN 5998-01-464-0237
NSN 5855-01-428-9456
NSN 5925-00-480-6710
NSN 5985-01-643-1789
NSN 6650-00-621-4067
NSN 6685-00-611-3949
NSN 5895-01-123-6815