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 2925-00-939-1979
NSN 5930-01-514-5057
NSN 5990-01-393-4808
NSN 5985-01-386-7465
NSN 5855-01-525-8017
NSN 5930-01-061-9779
NSN 5965-00-006-8004
NSN 6135-01-328-0639
NSN 6145-01-537-7243
NSN 5895-01-634-0630
NSN 6685-01-308-0620
NSN 6105-01-383-3657