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 6645-01-540-0231
NSN 6610-00-600-1882
NSN 2925-01-384-4139
NSN 6135-01-426-8282
NSN 6620-01-381-6225
NSN 6645-00-181-1877
NSN 5975-01-342-2292
NSN 5835-01-383-1313
NSN 5998-00-894-1962
NSN 4140-01-413-0674
NSN 5935-00-725-7564
NSN 5935-00-965-8556