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 4140-01-438-7938
NSN 5915-01-224-7044
NSN 6220-01-179-9637
NSN 6620-01-606-8964
NSN 5915-01-305-3553
NSN 5930-01-045-7702
NSN 6320-00-306-0124
NSN 6130-01-322-2797
NSN 5935-01-085-4560
NSN 5935-00-629-0276
NSN 5935-01-634-0668
NSN 6240-00-116-3629