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 5950-00-704-1993
NSN 5998-01-459-6502
NSN 6130-01-386-9775
NSN
NSN 5905-00-732-4204
NSN 5935-00-415-6078
NSN 6685-00-081-7708
NSN 6320-01-516-3836
NSN 6110-01-157-6269
NSN 5910-01-062-0518
NSN 6220-01-502-3169
NSN 5915-01-223-6411