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 2925-00-391-0331
NSN 4140-00-946-6478
NSN 6220-00-213-5471
NSN 5835-01-252-5879
NSN 5905-00-679-5923
NSN 5915-01-417-4205
NSN 6240-01-171-9500
NSN 5985-00-937-4687
NSN 5975-00-521-8848
NSN 7035-00-009-8705
NSN 5835-01-263-1293
NSN 5960-01-226-0342