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 4140-01-504-6417
NSN 5990-00-600-6151
NSN 5835-01-632-6627
NSN 6145-00-150-5049
NSN 6135-01-220-7193
NSN 5855-00-494-9581
NSN 5996-01-228-5334
NSN 5950-01-206-4800
NSN 5996-01-571-9384
NSN 6620-00-658-6588
NSN 6135-01-333-6101
NSN 5950-01-339-6688