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 5975-00-402-5273
NSN 5975-01-581-7687
NSN 5910-01-621-2230
NSN 6240-01-580-2748
NSN 6610-00-735-7401
NSN 5905-00-457-8207
NSN 5998-00-246-4422
NSN 5920-01-010-3293
NSN 2925-01-400-2286
NSN 6320-00-270-8222
NSN 5895-01-494-8922
NSN 6620-00-278-7313