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 5905-00-398-0778
NSN 5915-00-879-9286
NSN 5930-01-651-6150
NSN 5999-01-605-1731
NSN 7035-01-586-2177
NSN
NSN 6320-01-582-6752
NSN 5975-01-576-4048
NSN 5935-01-230-0471
NSN 6150-00-355-0461
NSN 6135-00-628-1142
NSN 5905-01-467-9883