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 6685-00-104-7149
NSN 6685-01-097-9062
NSN 4140-01-599-9383
NSN 6130-01-223-0839
NSN 6130-01-368-2123
NSN 6220-01-249-2349
NSN 7035-01-514-8522
NSN 6650-00-074-2445
NSN 5930-00-086-0920
NSN 6135-00-180-5125
NSN 5998-00-765-5397
NSN 5855-01-469-6123