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 5990-00-389-0554
NSN 5910-01-009-1935
NSN 5920-00-521-8331
NSN 6150-01-634-0575
NSN 4140-00-420-0251
NSN 5950-01-556-7989
NSN 5905-00-435-9788
NSN 5960-01-425-1454
NSN 5895-01-305-4226
NSN 5925-01-458-7026
NSN 6320-01-481-7322
NSN 6240-01-143-0397