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 5975-01-207-9298
NSN 5985-01-007-8852
NSN 5998-00-633-5169
NSN 5999-00-272-2175
NSN 5975-01-530-3517
NSN 5990-00-056-2027
NSN 4140-01-263-2180
NSN 6135-01-176-2206
NSN 5996-01-476-1715
NSN 5920-00-103-7642
NSN 6130-00-489-2247
NSN 6145-01-563-1221