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 6240-01-090-2280
NSN 5910-01-271-5940
NSN 5960-01-406-3672
NSN 5999-00-832-2584
NSN 5975-01-576-7731
NSN 5915-00-862-5480
NSN 6105-01-301-9163
NSN 6685-01-610-9176
NSN 5985-00-864-8980
NSN 2925-00-085-7332
NSN 6240-01-039-4241
NSN 6110-01-387-1087