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 6645-01-400-1137
NSN 6220-01-540-8179
NSN 6150-01-536-1539
NSN 5999-01-152-5202
NSN 6240-01-633-3863
NSN 5935-01-142-5746
NSN 6220-00-778-7213
NSN 6150-00-518-2125
NSN 5855-00-610-4052
NSN 5915-00-166-6027
NSN 5985-01-496-1896
NSN 7035-00-727-4068