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 4140-01-535-5644
NSN 5985-01-614-3145
NSN 5990-01-540-1619
NSN 5895-00-866-7789
NSN 6135-00-553-7995
NSN 5960-00-390-9789
NSN 7035-00-286-6221
NSN 6650-00-401-1496
NSN 6240-01-080-0888
NSN 5895-01-130-2990
NSN 6645-01-381-7104
NSN 6650-00-963-1692