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 4140-01-370-4075
NSN 5930-01-236-4125
NSN 6610-01-504-3658
NSN 6135-00-027-3914
NSN 5905-01-158-3701
NSN 5935-01-483-1976
NSN 6105-01-383-4501
NSN 6110-00-647-3932
NSN 5990-00-915-1295
NSN 5950-01-470-3740
NSN 5990-00-212-4316
NSN 6620-00-075-5861