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 4140-01-303-6632
NSN 6135-01-462-6040
NSN 5985-00-647-1842
NSN 6150-00-516-8445
NSN 5935-00-799-3693
NSN 5895-01-524-8174
NSN 5950-00-189-0551
NSN 5910-00-078-6353
NSN 6650-01-392-8086
NSN 6620-01-420-8666
NSN 6145-00-977-6160
NSN 6685-01-479-7349