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 6240-01-227-4178
NSN 6620-00-932-4306
NSN 6135-01-378-3331
NSN 5960-01-304-0416
NSN 6240-00-905-5680
NSN 5996-00-168-7651
NSN 5855-01-165-2177
NSN 5996-01-490-5040
NSN 5910-00-313-7206
NSN 6240-01-318-1522
NSN 4140-01-055-2900
NSN 5930-00-321-2362