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 4140-00-948-0355
NSN 2925-01-101-4655
NSN 6220-01-602-9275
NSN 2925-01-471-3365
NSN 5915-00-929-5248
NSN 7035-00-205-1932
NSN 5935-01-270-2129
NSN 5910-01-142-3373
NSN 5855-01-630-6578
NSN 5999-01-027-0773
NSN 5960-00-250-7942
NSN 6130-01-306-5644