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 6610-00-349-9447
NSN 6240-00-594-7138
NSN 5930-01-425-0265
NSN 2925-01-290-7239
NSN 5996-01-541-2427
NSN 6650-00-103-3239
NSN 6645-00-033-8714
NSN 4140-01-578-6088
NSN 6135-01-597-1901
NSN 6610-01-620-5487
NSN 5998-01-013-9293
NSN 5835-01-232-1226