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 5915-00-278-5561
NSN 4140-00-944-5190
NSN 4140-00-266-9132
NSN 6320-01-390-5385
NSN 5925-01-505-1126
NSN 5965-01-463-8176
NSN 4140-00-648-3303
NSN 5950-00-241-9611
NSN 5975-01-014-4648
NSN 5998-01-575-2940
NSN 5950-01-004-5546
NSN 5965-01-039-8557