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 6620-00-405-4621
NSN 2925-00-928-5931
NSN 7035-00-088-7355
NSN 5935-00-880-1394
NSN 5998-00-880-3561
NSN 6145-01-325-1156
NSN 6145-01-364-0346
NSN 6240-01-469-6686
NSN 6145-01-385-2711
NSN 5975-01-108-3947
NSN 6135-00-377-9165
NSN 6105-01-316-0853