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 6240-01-004-9634
NSN 4140-01-056-3654
NSN 5990-00-247-0975
NSN 6320-01-145-9013
NSN 6105-01-381-0411
NSN 6645-01-461-7704
NSN 5990-01-642-1668
NSN 5905-01-558-2028
NSN 4140-01-288-2947
NSN 5996-01-056-4952
NSN 6240-01-173-2985
NSN 5990-00-538-7962