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 6620-00-286-5721
NSN 5855-00-403-1031
NSN 6220-01-096-9082
NSN 6240-01-200-3453
NSN 5925-00-369-7747
NSN 6650-00-948-3647
NSN 6240-00-256-6410
NSN 5915-01-364-7917
NSN 6240-01-387-0904
NSN 5999-00-759-7551
NSN 6240-01-134-6251
NSN 6320-00-937-5625