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 6320-00-139-1090
NSN 6320-00-682-3448
NSN 6220-01-654-2739
NSN 6610-00-239-8613
NSN 5950-01-377-7186
NSN 6130-01-473-7046
NSN 4140-01-350-0985
NSN 6130-01-012-2703
NSN 5985-01-157-3877
NSN 5950-01-423-0082
NSN 6220-01-442-6733
NSN 5950-01-128-5580