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 4140-01-307-3143
NSN 6130-00-999-1116
NSN 6320-01-029-4220
NSN 6220-01-630-2010
NSN 5920-01-539-1539
NSN 5930-00-466-3643
NSN 5990-01-065-0492
NSN 6685-01-567-7051
NSN 5996-00-672-6303
NSN 5835-01-509-8992
NSN 5895-01-468-5582
NSN 6145-01-536-1916