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 5990-01-507-7495
NSN 4140-01-323-4279
NSN 6320-00-295-2854
NSN 6135-00-110-1981
NSN 6240-01-412-0715
NSN 5930-00-366-7046
NSN 6645-00-262-7448
NSN 6150-00-261-4889
NSN 6685-00-549-9784
NSN 5960-01-444-2205
NSN 6645-01-447-6777
NSN 2925-00-936-0188