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 6240-00-050-4522
NSN 5950-00-452-7265
NSN 6610-01-553-4749
NSN 6145-00-500-5679
NSN 4140-01-484-1940
NSN 6105-01-415-0828
NSN 5915-00-678-5300
NSN 5910-01-322-4322
NSN 6685-00-153-3914
NSN 6110-01-446-1804
NSN 5935-00-136-0910
NSN 4140-00-957-5285