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 5910-00-566-7378
NSN 6240-00-988-3839
NSN 5998-00-456-0864
NSN 5990-01-641-2217
NSN 2925-01-609-8464
NSN 4140-00-093-6264
NSN 5996-01-337-3516
NSN 6130-00-284-1629
NSN 5990-00-008-1828
NSN 5835-01-529-3050
NSN 5996-01-303-8361
NSN 6105-01-278-1375