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 6145-00-635-9957
NSN 5915-01-612-1420
NSN 5950-00-690-8494
NSN 5975-00-222-4109
NSN 6145-00-937-8895
NSN 5930-00-250-6199
NSN 5905-01-362-7858
NSN 6135-01-387-0754
NSN 5895-00-773-2926
NSN 5960-01-165-1956
NSN 5990-01-126-5824
NSN 6220-01-523-4544