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 6645-01-540-0231
NSN 5996-01-122-5561
NSN 6150-01-124-0201
NSN 5950-01-519-3948
NSN 5915-01-062-2103
NSN 5945-01-215-1190
NSN 5950-01-278-2607
NSN 5990-00-133-7734
NSN 5965-01-511-3633
NSN 6130-01-040-4438
NSN 6320-01-390-5385
NSN 5905-01-542-8690