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 5930-01-315-5731
NSN 5905-01-493-4108
NSN 5998-01-521-2197
NSN 5990-01-352-5255
NSN 6620-00-335-9462
NSN 4140-01-441-9170
NSN 6240-00-514-3507
NSN 6220-00-452-5308
NSN 6320-00-790-4844
NSN 6240-01-613-2503
NSN 2925-00-295-8109
NSN 5998-00-774-8037