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 6645-01-623-4199
NSN 4140-01-261-6778
NSN 6320-01-530-4870
NSN 5855-00-167-7893
NSN 6150-00-487-4484
NSN 5930-01-461-2904
NSN 5835-01-608-3319
NSN 7035-00-541-8516
NSN 7035-00-215-3272
NSN 5990-01-594-7470
NSN 5998-01-340-6167
NSN 5998-01-269-9168