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 6220-01-504-4139
NSN 5950-01-364-5278
NSN 5975-01-089-9399
NSN 6620-00-972-5899
NSN 5999-00-281-3900
NSN 5999-01-396-6207
NSN 6220-01-505-9880
NSN 4140-01-453-9064
NSN 5985-00-491-6579
NSN 7035-01-323-0164
NSN 5905-00-067-6679
NSN 6240-00-507-8987