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 4140-01-091-0270
NSN 5999-01-063-6189
NSN 5950-01-452-8190
NSN 5925-00-523-2755
NSN 6645-01-650-5735
NSN 5990-00-594-7291
NSN 5925-00-434-9101
NSN 6135-00-444-1402
NSN 6110-00-991-8637
NSN 6135-00-255-1340
NSN 5950-01-318-6662
NSN 6320-01-141-3791