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 5920-01-163-8933
NSN 2925-01-633-4048
NSN 4140-01-152-9161
NSN 5925-00-847-7725
NSN 5998-00-188-3169
NSN 5998-01-330-2274
NSN 5835-01-307-8954
NSN 5999-00-035-9288
NSN 6220-01-224-5850
NSN 5855-00-951-6483
NSN 5998-00-278-4481
NSN 5925-01-398-7131