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 5990-01-364-8405
NSN 5999-00-106-2038
NSN 5945-01-193-5132
NSN 5920-00-339-0338
NSN 5960-00-853-8702
NSN 5920-00-413-1338
NSN 6620-00-035-5813
NSN 5935-00-520-6224
NSN 6685-01-398-5906
NSN 6130-01-512-4054
NSN 5930-01-634-0659
NSN 6685-01-385-2131