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 6145-01-144-1732
NSN 5960-00-977-6179
NSN 5996-00-969-9882
NSN 6110-01-396-2661
NSN 6145-00-239-0784
NSN 5945-01-433-1926
NSN 6135-01-202-8113
NSN 6645-01-344-7117
NSN 5999-00-347-7296
NSN 5925-01-634-0664
NSN 5960-00-973-0700
NSN 6135-01-542-0659